Nombre
Tipo
Marca
País
Comentario
Fecha
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzRubik1x3x3Mirror.html
https://ruwix.com/twisty-puzzles/rubiks-cheese/
https://beebeed.com/project/24-pieces-burr-puzzle/
https://rubiksolucion.blogspot.com/2013/05/2x2x2-cerebros-brains.html
2x2x2 Cuadruple siamés / Rubik 2x2x2 Cubes Fused
https://www.puzzlemaster.ca/browse/cubepuzzle/mefferts/1889-quadruple-2x2-cube
2x2x2 Doble siamés / Rubik 2x2x2 Cubes Fused
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzRubik2x2x2Fused.html
2x2x2 Globe Magic Cube / Crazee World
https://www.hknowstore.com/locale/en-US/item.aspx?corpname=nowstore&itemid=f833a56b-be6c-4236-8942-0b9d34f312a7
2x2x2 Globe Magic Cube / Crazee World
https://cubezz.com/Buy-4265-XM+2x2+Globe+Magic+Cube+Puzzle+Toy.html
2x2x2 Rubik orbit (esfera)
https://thetoyinsider.com/rubiks-orbit-review/
2x2x2 ShengShou Football (or Soccer Ball) Jabulani
https://www.thecubicle.com/en-es/products/shengshou-2x2-football
2x2x2 Star Wars II Senator Amidala Princess Leia Head
https://www.speedcubing.com/ton/collection/2x2x2/pages/Rubik's%20Star%20Wars%20II%20%20Senator%20Amidala%20Princess%20Leia%20Head.htm
2x2x2 Triple siamés / Rubik 2x2x2 Cubes Fused
https://www.maskecubos.com/es/cubo-rubik-2x2/1213-2x2-triple-siames-3760096462324.html
https://www.jaapsch.net/puzzles/cube2.htm
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzRubik2x2x2.html
2x2x2 cubo llavero / 2x2x2 cube Keychain
https://bartlshop.de/en/magic-cube-2-x-2-x-2-key-chain-p2881/#_tab_content1
2x2x2 cuádruple siamés / Rubik 2x2x2 Cubes Fused
https://www.puzzlemaster.ca/browse/cubepuzzle/2x2s/1889-quadruple-2x2-cube
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzRubik2x2x4.html
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzRubik2x3x3.html
https://elkioskodeakela.blogspot.com/2023/09/el-secreto-de-la-piramide-vilpa.html
https://www.walmart.ca/en/ip/3D-Magic-Cube-Toy-Learning-Educational-Round-Shape-Multi-color-Speed-Yeet-Ball-Cube-ABS-Anti-Stress-Game-Puzzle-Cube/0ZIFTOMWNFS8
3X3X5 doble mirror siamés
https://www.maskecubos.com/es/home/1177-doble-mirror-siames-3x3x5.html
https://kubekings.com/modificaciones-3x3/qiyi-windmill-3x3.html#/31-color-stickerless
3x3x3 Bastinazo Cube Advance (blanco, naranja, verde, 2 caras de cada color)
https://www.puzzlemaster.ca/browse/cubepuzzle/15789-gray-matter-3x3x3-bastinazo-cube-with-tiles-advance/quicklook
https://museodelcubo.com/
https://es.wikipedia.org/wiki/Cubo_de_Rubik
3x3x3 Cubo de espejos azul / Mirror Cube
https://es.wikipedia.org/wiki/Cubo_de_espejos
3x3x3 Cubo espejo/ Rubik's Mirror Cube
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzRubik3x3x3Mirror.html
https://ruwix.com/twisty-puzzles/rubiks-cube-sticker-mods-and-picture-cubes-how-to-solve-orient-center-pieces-sudoku-shepherd-maze-pochmann/
https://www.thecubicle.com/products/world-map-3x3-flag
https://kubekings.com/modificaciones-3x3/yj-fisher-v2.html
https://twistypuzzles.com/cgi-bin/puzzle.cgi?pkey=2474
3x3x3 Half-face Colouring
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzRubik3x3x3.html
https://www.jaapsch.net/puzzles/cubevari.htm
3x3x3 Knife Cube / Blade Cube
https://kubekings.com/modificaciones-3x3/diansheng-knife-cube.html#/11-color-negro
https://www.jaapsch.net/puzzles/cubevari.htm
https://www.losmundosderubik.es/es/3x3/1131-fanxin-lego-3x3.html
3x3x3 Lemon Cube / cubo limón
https://www.juegosbesa.com/es/cartoon/1433-fanxin-lemon-cube.html?fast_search=fs
3x3x3 Meffert's Venus Cube
https://kubekings.com/cubos-de-rubik-3x3/meffert-s-venus-cube.html?mot_tcid=7b16cc17-12fc-449d-a0b4-c5aa0f6ce8b0#/color-negro
https://www.thecubicle.com/products/fangge-mirror-map-cube
https://twistypuzzles.com/cgi-bin/puzzle.cgi?pkey=2418
https://www.helm.lu/gallery2/main.php?g2_itemId=5742
3x3x3 Rubik's cube Claude Monet
https://pro.boutiquesdemusees.fr/fr/product/59083-rubik-cube-claude-monet-musee-orsay.html
3x3x3 V-Cube Eurocopa 2016
https://kubekings.com/modificaciones-3x3/v-cube-3x3-eurocopa-2016.html
https://kubekings.com/cubos-de-rubik-3x3/v-cube-3x3-pillow.html#/8-color-blanco
https://kubekings.com/modificaciones-3x3/warina-dollar-cube-3x3.html
https://kubekings.com/modificaciones-3x3/qiyi-windmill-3x3-s-tiled.html
https://kubekings.com/modificaciones-3x3/z-cube-penrose-3x3.html?mot_tcid=d69aaf0d-3026-4df5-8049-45418f9aab9e#/color-stickerless
https://ruwix.com/the-rubiks-cube/
https://speedcubing.eventex.es/
https://rubiks.fandom.com/wiki/Dayan
http://www.prise2tete.fr/forum/viewtopic.php?id=6895
3x3x3 cubo Escher peces / Escher Cube (Fish)
https://www.randelshofer.ch/rubik/virtual_cubes/rubik/picture_cubes/escher_cube_fish_big.html
https://ruwix.es/cubo-de-rubik/resolver-cubo-de-rubik-3x3-principiantes/
http://megacuber.com/index.php?item_id=golovolomka_3h3h3_kuai_shou_zhi-cmc_017
3x3x3 cubo Portugal con instrucciones
https://rubiks-cube-solver.com/es/
3x3x3 cubo Qiyi Mini 3.5cm Llavero Stickerless
https://www.dynos.es/cubo-de-rubik-qiyi-mini-35cm-llavero-3x3-stickerless__DYD0000015489
https://www.teoriadealgoritmos.com/como-armar-un-cubo-rubik-de-3x3-en-7-pasos/
https://platzi.com/blog/7-pasos-para-resolver-y-memorizar-el-algoritmo-del-cubo-de-rubbik/
https://cubesolve.com/como-resolver-un-cubo-rubik-es/
3x3x3 cubo calendario - LATIN
https://twistypuzzles.com/cgi-bin/puzzle.cgi?pkey=4201
3x3x3 cubo con letras y números
https://www.myrubik.com/elcub3x3x3.php?lang=es
https://rubiks-cube-solver.com/es/
https://www.juegosbesa.com/es/cubos-standard/1115-cubo-yj-concavo-jinjiao.html
Pegatinas levantas y mal colocadas
3x3x3 cubo llavero / Rubik's Cube Keychain
https://www.puzzlemaster.ca/browse/cubepuzzle/rubiks/509-rubik-s-cube-3x3-keychain
3x3x3 cubo publicidad Block House
https://kubekings.com/blog/post/como-hacer-el-cubo-de-rubik
3x3x3 cubo publicidad cerveza San Miguel
https://www.iberorubik.com/tutoriales/3x3x3/
https://www.educaciontrespuntocero.com/recursos/beneficios-educativos-cubo-rubik/#:~:text=El%20popular%20rompecabezas%20mejora%20la,o%20la%20perseverancia%2C%20entre%20otros.
3x3x3 cubo vacío / Void Cube
https://es.wikipedia.org/wiki/Void_Cube
3x3x3 esfera balon / Basketball Cube
https://dailypuzzles.com.au/en-es/products/fanxin-basketball-cube
https://ruwix.com/twisty-puzzles/3x3x4-rubiks-cube/
https://kubekings.com/cuboides-3x3xn/c4u-3x3x4.html#/11-color-negro
https://www.jaapsch.net/puzzles/cube4.htm
https://kubekings.com/blog/post/como-hacer-el-cubo-de-rubik-4x4
https://ruwix.es/puzles/4x4x4/
https://www.iberorubik.com/tutoriales/4x4x4/resoluci%C3%B3n-parte-1/
https://www.jaapsch.net/puzzles/cube5.htm
https://ruwix.com/twisty-puzzles/5x5x5-rubiks-cube-professors-cube/
https://www.iberorubik.com/tutoriales/5x5x5/resoluci%C3%B3n-parte-1/
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzRubik5x5x5.html
https://jrourees.wixsite.com/rubik/7x7
https://es.wikipedia.org/wiki/V-Cube_8
? Pesacartas Die Klein-Waage
https://www.ebay.at/itm/276496441825?itmmeta=01J8N9RKC1R043KBMWFHVK9WT1&itmprp=enc%3AAQAJAAAA4Mxmj%2BiGvOveHXEBClPb29i0jQJZmAsR7HvrtOEreaZW%2Fnta3c1oE0Hg5zCemPzjQ8f6teVdbsHn2Vg8kdLuNZNeUhqzk45KLbDwnRQXoMSmCTLyFu7aS7XJfnV%2FNe7%2FXnCzFnE%2BOTvjpRd2KyIEkFpyC0eBIXyp%2Fj7%2FCEzRQigtj2w%2FdapnrFCoEhVUw9%2BCFqyitqAFLW9sbK3SZTQTmlpD2bE6I9K4EhnzfITA2Zvy8Zc8QtfLjlx6G71lHKp%2BbVeGBNEl1TIML9R%2FOBP6g5gu4fIrENVyutLONC92LEtT%7Ctkp%3ABk9SR4q24qnFZA
https://www.juegosbesa.com/es/3x3x3/1961-qiyi-mini-rubik-3x3.html
https://historia.nationalgeographic.com.es/a/historia-cubo-rubik-artefacto-prodigioso_17584
https://kubekings.com/blog/post/tipos-de-cubos-rubik-y-sus-nombres
???????Faber-Castell 67/87 Rietz
https://www.sliderulemuseum.com/Faber.shtml
http://collection.cassetete.free.fr/3_plastique/boule_six_pieces/boule_six_pieces.htm
https://www.mathkang.org/catalogue/prodworp.html
????Desconocido de madera
????Puzzle madera en caja
????Soviet 250-14P LSLO 5161-72
https://www.sliderulemuseum.com/Soviet.shtml
????Soviet KLPZ 250-14 5161-57 1976
https://www.sliderulemuseum.com/Soviet.shtml
https://www.sliderulemuseum.com/Thornton.shtml
https://www.sliderulemuseum.com/Aristo.shtml
???Desconocido (6 rompecabezas metálicos)
???Hughes-Owens 341-3526 Student
https://www.sliderulemuseum.com/Hemmi.shtml#H-O
???Lafayette F341 Duplex Log Log Trig
https://www.sliderulemuseum.com/Ricoh.shtml#Lafayette
???Rompecabezas chino (tangram)
https://www.todocoleccion.net/juegos-mesa/antiguo-rompecabezas-chino-manual-instrucciones-soluciones-ano-1970-80~x314554383
???Rompecabezas de madera.
https://www.sliderulemuseum.com/MiscJapan.shtml#Royal https://www.sliderulemuseum.com/British.shtml
???Technical Sales 1091 Emblem Series
https://www.sliderulemuseum.com/British.shtml
???Traditional 6-Piece Burrs
http://www.robspuzzlepage.com/interlocking.htm#trad
https://www.sliderule.ca/scales.htm
https://www.juegosbesa.com/es/hanayamas/496-hanayama-cast-ring-ii.html
??Medalla rusa Leonhard Euler
https://www.numiscorner.com/es/products/4572-russia-medal-leonhard-euler-1991-ms-64-copper-nickel-gilt
https://linsoluble-casse-tete.fr/products/perspektiv-17-constantin
??Pickett & Eckel 1000 Ortho-Phase Duplex
https://www.sliderulemuseum.com/Pickett.shtml
http://www.mathsinstruments.me.uk/page34.html
http://www.mathsinstruments.me.uk/page35.html
https://www.sliderulemuseum.com/Aristo.shtml
https://coleccion.reglasdecalculo.com/aristo/0908.html
https://altorres.synology.me/reglas_calculo/mi_coleccion/aristo_0908_TRILOG/aristo_0908_TRILOG.htm
?Arjeu Classic Artémis CT
?Compás de reducción / Proportional dividers
https://es.wikipedia.org/wiki/Comp%C3%A1s_de_reducci%C3%B3n
?Conjunto de 9 jarras medidoras de líquidos
?Cortauñas en moneda española
?Cortauñas en moneda francesa
?Cubo de madera / LE NOUVEAU CUBE
http://collection.cassetete.free.fr/1_bois/nouveau_cube/nouveau_cube.htm
https://cubicdissection.com/products/slump-cube
?Desconocido System Rietz
https://www.reglasdecalculo.com/sistemas.html
https://es.wikipedia.org/wiki/Escal%C3%ADmetro
http://www.mathsinstruments.me.uk/page94.html
?Esferómetro / Spherometer
https://byjus.com/physics/spherometer/
?Esferómetro G&G / Spherometer
https://es.wikipedia.org/wiki/Esfer%C3%B3metro
?Esferómetro Philip Harris / Spherometer Philip Harris
https://byjus.com/physics/to-determine-radius-of-curvature-of-a-given-spherical-surface-by-a-spherometer/
?Euclide. Le super casse-tête
?J. Hemmi Sun Patent. Nº 22129 British Patent 107562
https://www.sliderulemuseum.com/Hemmi.shtml
?J.Hemmi "Sun" Model 3 Electro
https://www.sliderulemuseum.com/Hemmi.shtml
?K&E N4053-3 Polyphase sn????? c1933-1935
https://www.sliderulemuseum.com/KE_Standard.shtml
https://aprende-historia.com/descubre-el-fascinante-mundo-de-la-balanza-tipos-y-funcionamiento/
http://www.mathsinstruments.me.uk/page34.html
http://www.mathsinstruments.me.uk/page35.html
?Roundabout Matchbox Puzzle
?Salmoiraghi compensato barometro
https://www.astropa.inaf.it/museodellaspecola/collezione-degli-strumenti/meteorologia/
http://www.mathsinstruments.me.uk/page37.html
?Soviet-Ramenskoye 5161-57 1967
https://www.sliderulemuseum.com/Soviet.shtml
?Sumadora de bolsillo rusa / Pocket Mechanical Calculator Arithmometer Arithmetic Ruler USSR
http://www.mathsinstruments.me.uk/page14.html
https://www.nzeldes.com/HOC/ALKU.htm
https://nat.museum-digital.de/object/730775
https://americanstationer.wordpress.com/2016/04/20/addiator-arithma/
https://americanhistory.si.edu/collections/nmah_690271
https://mechanicalculator.com/addiator/duplex-size/
https://www.sliderulemuseum.com/Adders.shtml#Addiators
https://en.wikipedia.org/wiki/Slide_calculator
https://www.cryptomuseum.com/crypto/hand/addiator/
http://www.tcocd.de/Pictures/Mechanical/Addiator/duplex.shtml
https://owl.museum-digital.de/object/5381
https://www.rmg.co.uk/collections/objects/rmgc-object-255430
https://mechanicalculator.com/addimult/addimult/
https://mechanicalcalculators.wordpress.com/about/addiators/
http://www.vintagecalculators.com/html/addometer.html
Alidada niveladora del coronel GOULIER
https://www.robertscollection.org/objects/blog-post-title-one-9dy2s-kagxf-86xe2
https://notecomaselcoco.blogspot.com/2009/03/anillas-chinas.html
Anillos húngaros / Anillos de Rubik / Hungarian Rings
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzHungarianRings.html
Anillos húngaros / Anillos de Rubik / Hungarian Rings
https://mundorubiko.blogspot.com/2010/08/anillos-rubiks.html
https://sc269188.blogspot.com/2020/10/step-03-un-glossario.html
Aristo 0958 GEODAT 400g (GEOÄT)
https://www.sliderulemuseum.com/Aristo.shtml
Aristo 0968 Studio (6157)
https://www.sliderulemuseum.com/Aristo.shtml
https://www.sliderulemuseum.com/Aristo.shtml
Aristo 0970 MultiLog Charvoz
https://www.sliderulemuseum.com/Aristo.shtml
http://www.sliderules.info/collection/circular/0c09-aristo-622.htm
Aristo 829 Multi-Rietz HFF08
https://www.sliderulemuseum.com/Aristo.shtml
Aristo 829 Multi-Rietz HFL01
https://www.sliderulemuseum.com/Aristo.shtml
https://www.museocienciaupna.com/colecciones/aristo-nr-867u/
https://coleccion.reglasdecalculo.com/aristo/index.html
https://www.sliderulemuseum.com/Aristo.shtml
https://www.calcuseum.com/SCRAPBOOK/BONUS/08291/1.htm
http://www.stefanv.com/calculators/aristo970.html
http://www.tcocd.de/Pictures/SlideRules/Aristo/nr968.shtml
Arithma Addiator 6-Digits Decimal
https://www.sliderulemuseum.com/Adders.shtml
Arjeu CT5330 Hades / ISTANBUL
http://collection.cassetete.free.fr/1_bois/istanbul/istanbul.htm
Arno. Logica Giochi Colección Leonardo da Vinci
https://kubekings.com/rompecabezas-de-madera/rompecabezas-leonardo-arno.html?mot_tcid=0cdd3c98-4393-44c7-98ad-3ece15b66288
BRIGHTON - CT 624 - ARJEU
http://collection.cassetete.free.fr/1_bois/brighton/brighton.htm
https://www.sliderulemuseum.com/Blundell.shtml
http://www.calcuseum.com/SCRAPBOOK/BONUS/15207/1.htm
https://collection.sciencemuseumgroup.org.uk/objects/co61040/baby-calculator-c-1960-adding-machines-stylus
https://www.jaapsch.net/puzzles/ivory.htm
https://www.todocoleccion.net/antiguedades-tecnicas/romana-media-luna-antigua-doble-pesada-hasta-150-kgs-balanza-mercado~x248659885
https://www.todocoleccion.net/antiguedades-tecnicas/balanza-media-luna-flexion-marca-krups-100-kilos~x242073100
Balanza de precisión de mano 10 g
https://www.todocoleccion.net/antiguedades-tecnicas/pesola-balanza-precision-mano-10g-depose-fabricacion-suiza-anos-50~x466123762
Bbotella de vino / Wine Bottle Challenge
https://puzzlescore.com/es/siammandalay-wine-bottle-challenge-rompecabezas-de-madera/
https://www.mojo-nation.com/the-bedlam-cubes-inventor-bruce-bedlam-on-staying-creative-and-why-questions-are-key/
https://es.wikipedia.org/wiki/Cubo_de_Bedlam
http://www.mathsinstruments.me.uk/page35.html
Brain Drain Puzzle Mangle Quadrangle (Ivan Moscovich)
https://www.robspuzzlepage.com/assembly.htm
Build the block / IQ Block
https://quantixed.org/2021/01/28/crackerblocks-computing-solutions-for-iq-block-game/
http://collection.cassetete.free.fr/1_bois/cubes_melanges/cubes_melanges.htm
Caja Secreta Mercury Mission
https://www.juegosbesa.com/es/cajas-secretas/1987-caja-secreta-mercury.html
https://www.juegosbesa.com/es/cajas-secretas/1444-caja-secreta-spring.html
Caja aritmética (Kern Rechenkasten)
https://de.wikipedia.org/wiki/Rechenkasten
Caja secreta / caja magica /CAISSE DE VIN
https://notecomaselcoco.blogspot.com/2011/01/caja-magica.html
http://collection.cassetete.free.fr/1_bois/caisse_de_vin/caisse_de_vin.htm
Caja secreta / caja magica /CAISSE DE VIN.
https://notecomaselcoco.blogspot.com/2011/01/caja-magica.html
http://collection.cassetete.free.fr/1_bois/caisse_de_vin/caisse_de_vin.htm
Calibrador de profundidad y ángulo PEC 7004-006 0 - 6"
https://www.travers.com/product/pec-7004-006-depth-angle-gage-57-064-901
Calibre / Pie de rey Junior Roch
https://www.wurth.es/blog/que-es-como-medir-pie-de-rey/#:~:text=El%20pie%20de%20rey%2C%20tambi%C3%A9n,un%20alto%20grado%20de%20precisi%C3%B3n.
https://retroordenadoresorty.blogspot.com/2019/09/calculadora-canon-palmtronic-8m-ld-8m-3.html
http://www.datamath.org/Related/Canon/F-41.htm
https://www.juegosbesa.com/es/rompecabezas-2d/1806-puzzle-car-park-constantin.html
Cardio tangram / Tangram corazón
https://profmate.wordpress.com/2014/03/06/galeria-corazon/
https://www.todocoleccion.net/juguetes-antiguos/carrete-magico-vilpa-botoplastic-anos-70-nuevo-combina-numeros~x475668197
Cartas anidadas / Lettres emboitees
http://collection.cassetete.free.fr/1_bois/lettres_emboitees/lettres_emboitees.htm
Casio FC-1000 Financial Consultant
https://edspi31415.blogspot.com/2022/03/retro-review-casio-fc-1000-financial.html
https://www.manualpdf.es/casio/fx-350tl/manual
https://www.calculator.org/calculators/Casio_MEMORY-8F.html Benjamín
https://americanhistory.si.edu/collections/object/nmah_334439
https://retroordenadoresorty.blogspot.com/2020/10/calculadora-casio-fx-110-1977.html
https://www.calcuseum.com/SCRAPBOOK/BONUS/09398/1.htm
https://www.javiergutierrezchamorro.com/casio-fx-17/
https://calculatorlab.blogspot.com/2013/04/casio-fx-180pv-fx-program.html
https://www.calculator.org/calculators/Casio_fx-19.html
http://www.voidware.com/calcs/fx20.htm
https://retroordenadoresorty.blogspot.com/2018/09/calculadora-casio-fx-31-1978.html
https://www.calculator.org/calculators/Casio_fx-3600P.html
https://www.calculator.org/calculators/Casio_fx-3800P.html
https://es.wikipedia.org/wiki/Casio_fx-39
Casio fx-39 con adaptador
http://www.arithmomuseum.com/album.php?cat=c&id=53&lang=en
https://calculator-museum.nl/calculators/casio-fx85n-index.html
http://www.robspuzzlepage.com/interlocking.htm#chuck
https://puzzlescore.com/es/siammandalay-powder-keg-rompecabezas-de-madera-3d/
https://kubekings.com/rompecabezas-de-madera/cilindro-magico-rompecabezas-de-madera.html?mot_tcid=dd367c9c-3462-4cae-82ad-3a8ae1ff8b49
https://es.aliexpress.com/item/1005005503146303.html
https://es.wikipedia.org/wiki/Cinta_m%C3%A9trica
Cinta métrica metalica BesteLleder Kapsel Massi 20 m.
https://geodesical.com/es/novedades/articulos/9-herramientas-que-utilizan-los-topografos
Circular Slide Rule No. 28N
https://www.sliderule.tokyo/products/detail.php?product_id=6
Circunferencia Calculadora
https://coleccion.reglasdecalculo.com/varios/cir_calculadora.html
https://www.vanleestantiques.com/product/abney-level/
Clásico con forma de copo de nieve o flor
https://es.aliexpress.com/item/1859999064.html
Cococrash Cubo Naranja Nivel 4
https://cococrashevaland.blogspot.com/p/nivel-4-cubo-naranja.html
Cola de milano. Cubo deslizante
https://notecomaselcoco.blogspot.com/2010/05/descripcion-este-puzzle-consta.html
Comecocos 3 estrellas Cadena / Missing Link
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzMissingLink.html
Commodore custom green line GL996R
https://www.calcuseum.com/SCRAPBOOK/BONUS/08897/1.htm
Comoda De Leonardo Da Vinci / BOÎTE DE PANDORE
https://kubekings.com/rompecabezas-de-madera/comoda-de-leonardo-da-vinci.html
http://collection.cassetete.free.fr/1_bois/boite_pandore/boite_pandore.htm
Computer Dead Reckoning Mk5a
https://talesfromthesupplydepot.blog/2023/11/01/mk-5a-dead-reckoning-slide-rule/
Computor Dead Reckoning Mark 4B (Flight Compute)
https://talesfromthesupplydepot.blog/2018/07/21/mk-4-dead-reckoning-flight-computer/
http://www.mathsinstruments.me.uk/page15.html
Compás aureo de tres patas
https://aprender-ensenyar-matematicas.blogspot.com/2012/12/comas-aureo-para-buscar-la-razon-aurea.html
Compás de proporciones / Proportional Divider BOWEN
https://public.beuth-hochschule.de/hamann/tools/haff-195ae.html
Compás de reducción / proportional dividers
https://www.si.edu/object/proportional-dividers-kern:nmah_904333
Concise Circular Slide Ruler Alpha 4300
https://miltonwares.com/wares/concise-circular-slide-ruler-alpha-4300/
https://www.amazon.es/contador-manual/s?k=contador+manual
https://es.frwiki.wiki/wiki/Compteur_manuel
https://physicsmuseum.uq.edu.au/contex-adding-machine
http://adriandale.com/technical/Crazee-Revolution-Solution/
Crazy Windmill Cube / Crazy FengHuoLun cube
https://www.thecubicle.com/products/moyu-crazy-windmill-cube
Cross-based Puzzle / BASE EN CROIX
https://johnrausch.com/DesignCompetition/2005/default.htm
http://collection.cassetete.free.fr/1_bois/base_en_croix/base_en_croix.htm
https://www.robertscollection.org/objects/blog-post-title-one-9dy2s-kagxf-whw8e
Cruz tridimensional transversal. CRUZ DEL CARPINTERO
https://matematico.es/puzles-juegos-rompecabezas/ http://collection.cassetete.free.fr/1_bois/croix_menuisier/croix_menuisier.htm
https://hemisferium.net/collections/instrumentos-astronomicos-antiguos/products/cuadrante-capuccino
Cube in cube / Burr in Cage
https://puzzlesab.blogspot.com/2014/06/cruz-enmarcada.html
http://www.robspuzzlepage.com/interlocking.htm
https://rubikexpress.com/producto/cubo-laberinto-3d/
https://historia.nationalgeographic.com.es/a/historia-cubo-rubik-artefacto-prodigioso_17584
https://kubekings.com/otros-puzzles/qiyi-ivy.html?mot_tcid=651de0c5-d48f-4160-92eb-66bb614276fb#/color-negro
https://es.wikipedia.org/wiki/Cubo_Soma
Cubo con rayas. Bermuda Cube
https://notecomaselcoco.blogspot.com/2010/08/cubo-con-rayas.html
https://www.juegosbesa.com/es/rompecabezas-3d/2506-rompecabezas-bermuda-cube.html
https://en.wikipedia.org/wiki/Yoshimoto_Cube
http://notecomaselcoco.blogspot.com/2009/06/cubo-hermafrodita.html
Cubo serpiente / CUBE ÉLASTIQUE 3x3x3
https://kubekings.com/rompecabezas-de-madera/puzzle-bambu-cubo-serpiente-3d.html
Cubo serpiente / CUBE ÉLASTIQUE 3x3x3
http://collection.cassetete.free.fr/1_bois/cube_elastique3x3/cube_elastique_3x3.htm
Cubo serpiente / CUBE ÉLASTIQUE 3x3x3
https://www.maskecubos.com/es/madera/1446-serpiente-cube-8056446740439.html
Cubos de Oscar / CUBE D'OSKAR
https://notecomaselcoco.blogspot.com/2010/07/cubos-de-oscar.html
http://collection.cassetete.free.fr/1_bois/cube_oskar/cube_oskar.htm
https://fadac.com.ar/tienda/contadores-mecanicos/cuenta-vueltas/cuenta-vueltas-v1412
Curvímetro Dietzgen (opisómetro)
https://www.worthpoint.com/worthopedia/dietzgen-swiss-vintage-drafting-map-4564925250
Curvímetro H B (opisómetro)
https://www.histo.cat/sabies/curv-metre
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzDadsPuzzler.html
https://www.walmart.com.mx/ip/juegos-de-mesa/juegos-de-rompecabezas-de-logica-9-piezas-de-rompecabezas-rompecabezas-juguete-educativo-de-bloqueo-intelectual-calidad-inigualable/00091068148294
https://yotambienlotuve.blogspot.com/2020/05/diablotin-de-vilpa.html
https://webapp1.dlib.indiana.edu/images/item.htm?id=http://purl.dlib.indiana.edu/iudl/lilly/slocum/LL-SLO-006859&scope=lilly/slocum
https://kubekings.com/rompecabezas-de-madera/rompecabezas-leonardo-diamante.html
http://collection.cassetete.free.fr/1_bois/cube_diamand/cube_diamand.htm
DianSheng Mini 3x3x3 Stickerless 30mm
https://cubezz.com/Buy-4849-DianSheng+Mini+3x3x3+Stickerless+Magic+Cube+30mm.html
DianSheng Mini 3x3x3 Stickerless 30mm
https://cubezz.com/Buy-4849-DianSheng+Mini+3x3x3+Stickerless+Magic+Cube+30mm.html
https://www.jaapsch.net/puzzles/dinocube.htm
https://www.sliderulemuseum.com/Nordic.shtml
Diwa No.911 Log Log Deci-Trig Duplex
https://www.sliderulemuseum.com/Nordic.shtml#DIWA
Douglas Combined Protractor and Parallel Rule
https://www.awm.gov.au/collection/C961675
ELECTRONICA QUEROL TRQ F203
http://www.calcuseum.com/SCRAPBOOK/BONUS/87623/1.htm
https://le-rayon-des-calculatrices.fr/WordPress3/?p=835
Ecobra Rietz R141 en cuaderno con calibre
https://www.sliderulemuseum.com/Germany.shtml#Ecobra
El cubo de cubos / Le cube de cubes
http://collection.cassetete.free.fr/1_bois/cube_de_cubes/cube_de_cubes.htm
https://www.mathkang.org/catalogue/prodelas.html
https://elektronika.su/en/calculators/elektronika-mk-51/
https://en.wikipedia.org/wiki/Elektronika_MK-61
Engineering Instruments, Inc.Lawrence Engineering Service
https://americanhistory.si.edu/collections/object/nmah_1215025
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzEnigma.html
Enlaces inseparables / Maillons inseparables
http://collection.cassetete.free.fr/1_bois/maillons_inseparables/maillons_inseparables.htm
Escalímetro Faber Castell 883/1
https://es.wikipedia.org/wiki/Escal%C3%ADmetro
Escuadra ajustable Staedtler Mars
https://papeleria-tecnica.com/producto/escuadra-ajustable-staedtler/#
https://www.juegosingenio.es/juegos_ingenio_De_madera_Puzzle_madera_esfera-6303.php
http://collection.cassetete.free.fr/1_bois/soccer/soccer_ball.htm
Evil Eye Cube (dodecaedro rómbico)
https://www.losmundosderubik.es/es/otros/761-lefun-devil-eye-i.html
Evil Eye I - Close Eye Dodecaedro rómbico
https://cubezz.com/Buy-4452-YJ+MoYu+Evil+Eye+I+-+Close+Eye+Rhombic+Dodecahedron+Magic+Cube+Black.html
https://collection.motat.nz/objects/18094/adding-machine-exactus-mini-add
https://fabercastell.reglasdecalculo.com/index.html
Faber Castell 5" 67/87 Rietz
https://fabercastell.reglasdecalculo.com/cat_sp_55.html
Faber Castell 67/87 R Addiator
https://fabercastell.reglasdecalculo.com/67_87r/67_87r.html
Faber-Castell 1/54 Darmstadt
https://www.sliderulemuseum.com/Faber.shtml
Faber-Castell 1/87 System Rietz (1957) (inglés)
https://www.sliderulemuseum.com/Faber.shtml
Faber-Castell 1/87 System Rietz (Alemán)
https://www.sliderulemuseum.com/Faber.shtml
Faber-Castell 1/98 Elektro
https://www.sliderulemuseum.com/Faber.shtml
Faber-Castell 111/22A Disponent Addiator
https://fabercastell.reglasdecalculo.com/111_22a/111_22a.html
https://www.sliderulemuseum.com/Faber.shtml
Faber-Castell 2/82 Duplex Variation 2 scale set
https://www.sliderulemuseum.com/Faber.shtml
Faber-Castell 2/82N Duplex
https://www.sliderulemuseum.com/Faber.shtml
Faber-Castell 2/83N Novo-Duplex
https://www.sliderulemuseum.com/Faber.shtml
Faber-Castell 2/83N Novo-Duplex
Faber-Castell 2/83N Novo-Duplex Klawun
https://fabercastell.reglasdecalculo.com/2_83N/2_83N.html
https://fabercastell.reglasdecalculo.com/361/361.html
Faber-Castell 52/80 Mentor
https://www.sliderulemuseum.com/Faber.shtml
Faber-Castell 52/82 D-Stab
https://www.sliderulemuseum.com/Faber.shtml
Faber-Castell 52/82 Schul-D-Stab
https://www.sliderulemuseum.com/Faber.shtml
Faber-Castell 57/87 Rietz
https://www.sliderulemuseum.com/Faber.shtml
Faber-Castell 62/82 Biplex
https://sliderulemuseum.com/Faber.shtml
Faber-Castell 62/83N Novo-Duplex
https://www.sliderulemuseum.com/Faber.shtml
Faber-Castell 67/54 RB Darmstadt/Addiator
https://www.museocienciaupna.com/colecciones/regla-de-calculo-faber-castell-6754-rb-addiator/
Faber-Castell 67/87 Rietz
https://www.sliderulemuseum.com/Faber.shtml
Faber-Castell 67/98Rb Elektro
https://www.sliderulemuseum.com/Faber.shtml
Fifteen-Piece Diagonal Burr (Composition 456)
https://johnrausch.com/PuzzleWorld/puz/fifteen_piece_diagonal_burr.htm
https://kubekings.com/rompecabezas-de-madera/flexi-cube.html
Flight computer Jeppesen Sanderson
https://www.goantiques.com/jeppesen-flight-computer-2369604
https://www.todocoleccion.net/juegos-antiguos/rompecabezas-flor-magica-casa-pilen-principios-80-estrenar~x449238737
https://en.wikipedia.org/wiki/Fowler_Calculators
Fowler's Calculator (4933)
http://www.sliderules.info/collection/inst-fowler.htm
Fowler's Long Scale Calculator
http://www.mathsinstruments.me.uk/page17.html
https://www.sliderulemuseum.com/MiscJapan.shtml#Fuji
https://twistypuzzles.com/cgi-bin/puzzle.cgi?pkey=266
GOST 5161-72 1978, Leningrad
https://www.sliderulemuseum.com/Soviet.shtml
Galaxy / BOULE EMPRISONNÉE
http://collection.cassetete.free.fr/1_bois/boule_emprisonnee/boule_emprisonnee.htm
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzGearBall.html
https://es.wikipedia.org/wiki/Gear_Cube
https://algoritmoscuboderubik.wordpress.com/2019/12/31/permutar-aristas-en-un-gear-cube/
Gear Cube Extreme Lin Hui Toys
https://www.jaapsch.net/puzzles/gearcube2.htm
https://kubekings.com/cubos-con-engranajes/gear-shift.html?mot_tcid=d1fca1b0-1897-4548-89f0-36791224b3df
https://www.sliderulemuseum.com/Germany.shtml#Wichmann
Gebrochenes Herz / Corazón roto
http://ftp.informatik.rwth-aachen.de/keirat/txt/G/Gebroche.html
https://kubekings.com/modificaciones-3x3/mefferts-ghost-cube.html
Gilson Binary Circular Slide Rule
https://www.sliderulemuseum.com/Circular.shtml
https://www.sphere.bc.ca/oldsite/test/circular-man2.html
https://sliderules.nl/mysliderules/detail/graphoplex-612-pocket-rietz
https://www.photocalcul.com/Calcul/Regles/Graphoplex/graphoplex_612/photo_grapho612.html
https://www.sliderulemuseum.com/HSRC/GRAPHOPLEX.htm
http://www.sliderule.it/details.php
Graphoplex 620d System Rietz
https://www.sliderulemuseum.com/Graphoplex.shtml
Graphoplex 640 System Electric Log Log
https://www.sliderulemuseum.com/Graphoplex.shtml
Graphoplex 690 Neperlog Duplex
https://sliderules.nl/mysliderules/detail/graphoplex-690-ver-2-neperlog-log-log
Graphoplex 690A Neperlog Duplex
https://sliderulemuseum.com/Graphoplex.shtml
https://hanayama.es/es/nivel-3/15-huzzle-cast-cage.html
https://www.puzzlemaster.ca/browse/metalpuzzles/metal/308-cast-enigma
https://www.juegosbesa.com/es/hanayamas/1127-hanayama-cast-hourglass.html
https://www.puzzlemaster.ca/browse/metalpuzzles/metal/10003-cast-infinity
https://www.puzzlemaster.ca/browse/metalpuzzles/metal/1117-cast-loop
https://www.puzzlemaster.ca/browse/metalpuzzles/metal/1914-cast-marble
https://kubekings.com/hanayama/hanayama-cast-quartet.html
https://www.puzzlemaster.ca/browse/inventors/vesatimonen/12748-cast-ufo
https://hanayama.es/es/nivel-6/52-huzzle-cast-nutcase.html
Hemmi 135 Pocket Darmstadt
https://www.sliderulemuseum.com/Hemmi.shtml
https://www.sliderulemuseum.com/Hemmi.shtml
https://www.sliderulemuseum.com/Hemmi.shtml
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzHorseShoes.html
Hewlett Packard 10B Business Calculator
https://www.hp.com/ctg/Manual/bpia5211.pdf
https://duochess.es/producto/hexaturn/
https://sliderulemuseum.com/Hemmi.shtml
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzHungarianDiamond.html
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzHungarianGlobe.html
https://www.ludokubo.com/puzzles-y-rompecabezas/vicious-0/
https://twistypuzzles.com/cgi-bin/puzzle.cgi?pkey=3032
https://fridolin-shop.de/epages/06b62e0d-886b-4e8d-980a-797befd13210.sf/en_GB/?ObjectPath=/Shops/06b62e0d-886b-4e8d-980a-797befd13210/Products/17536
https://osgalleries.org/collectors/davis/info_and_image.cgi?string1=iwa&string2=105
https://www.juegosbesa.com/es/juegos-de-logica/2493-icosoku.html
https://www.enc.es/reconocimiento-de-astros-el-star-finder/
https://www.ebay.com/itm/393482172746
Instant Insanity / Locura instantánea
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzInstantInsanity.html
J.Hemmi "Sun" Model 3 Electro Japanese Patent No. 22129
https://www.sliderulemuseum.com/Hemmi.shtml
J.Hemmi "Sun" Model 82 150mm Pocket
https://www.sliderulemuseum.com/Hemmi.shtml
http://engranjeu.free.fr/index.php?page=listeediteur&vediteur=jlr+Les+Jeux+R%C3%A9unis
Juego de piezas deslizantes
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzPanamaCanal.html
Juego de piezas deslizantes LYcksele 1
https://es.wikipedia.org/wiki/Juego_del_15
Juego del 15 / 15-Puzzle / Taken
https://juegodel15.netlify.app/
Juego del 15 / Fifteen Puzzle
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzFifteen.html
Juego destreza y habilidad
https://regalosvarios.com/inicio/719-juegos-de-habilidad.html
Juego infantil Jacobs Ladder
https://www.mywoodentoys.com.au/jacobs-ladder-p-278.html
https://www.sliderulemuseum.com/KE_Standard.shtml
K&E 4081-3 Log Log Duplex Decitrig sn278110 (1955-1962)
https://www.sliderulemuseum.com/KE_Standard.shtml
K&E 4088-3 Polyphase Duplex sn266968
https://www.sliderulemuseum.com/KE_Standard.shtml
K&E 4181-1 Log Log Duplex Decitrig sn067167
https://www.sliderulemuseum.com/KE_Standard.shtml
K&E 68-1100 Deci-Lon 10 sn217707
https://www.sliderulemuseum.com/KE_Standard.shtml
K&E 68-1210 Log Log Duplex Decitrig sn930352 c1962-1975
https://www.sliderulemuseum.com/KE_Standard.shtml
K&E 68-1210 Log Log Duplex Decitrig sn930352 c1962-1975
https://americanhistory.si.edu/collections/nmah_1214627
K&E N4053-3 Polyphase sn574391
https://www.sliderulemuseum.com/KE_Standard.shtml
K&E N4058W Beginner's Slide Rule
https://www.sliderulemuseum.com/KE_Standard.shtml
https://mostlymaths.net/2013/11/my-russian-kl-1-circular-slide-rule-and.html/
KL-1 Circular Slide Rule.
https://retrocalculators.com/soviet-slide-rule.htm
KL-1 Circular Slide Rule..
https://www.sliderulemuseum.com/Manuals/KL-1_RussianCircularSlideRule.pdf
KL-1 Circular Slide Rule...
https://forum.guns.ru/forummessage/97/664144.html
KL-1 Circular Slide Rule....
https://americanhistory.si.edu/collections/nmah_1464639 https://www.calculatinginstruments.com/2-reglas-circulares-o-c%C3%ADrculos-de-c%C3%A1lculo-circular-slide-rules-2/ https://www.calculatinginstruments.com/2-reglas-circulares-o-c%C3%ADrculos-de-c%C3%A1lculo-circular-slide-rules-2/ http://www.calculatormuseum.nl/calculators/watch_kl1.html https://rrtrailers.com.br/Engineer-Logarithmic-Mathematical-Circular-Slide-Rule-KL-1-Calculator-QUdAS1JfXlBFQhxU http://tinas-sliderules.me.uk/Slide%20Rules/PocketWatchSlideRules.html
Keuffel & Esser 4211 Polar Planimeter
https://www.si.edu/object/keuffel-esser-4211-polar-planimeter%3Anmah_1214983
http://www.robspuzzlepage.com/interlocking.htm#kumikiplanes
http://collection.cassetete.free.fr/1_bois/noix/noix.htm
http://collection.cassetete.free.fr/1_bois/cube_croise/cube_croise.htm
LE NOUVEL ISOCAÈDRE / Golden Rhombic Icosahedron
http://collection.cassetete.free.fr/1_bois/nouvel_isocaedre/nouvel_isocaedre.htm
https://johnrausch.com/PuzzleWorld/puz/golden_rhombic_icosahedron.htm
LES BAMBOUS PUZZLE / Logs in a Box
http://collection.cassetete.free.fr/1_bois/bambous_puzzle/bambous_puzzle.htm
http://www.robspuzzlepage.com/assembly.htm
https://logaro.cz/vyrobci-ceskoslovensko/logarex-4542-27403/
Laberinto Double Trouble Constantin
https://recenttoys.com/constantin-double-trouble-puzzle-p/
Laberinto The Waiters Tray Constantin
https://www.juegosbesa.com/es/laberintos/1796-laberinto-the-waiters-tray-constantin.html
https://sketchfab.com/3d-models/lanlan-x-skewb-cdba6e2d10814ca3bb0e24d3b8d7c550
https://kubekings.com/rompecabezas-de-plastico/lattice-puzzle.html
http://www.jeuxanciensdecollection.com/pages/les_jeux_de_physique_amusante_magie_-8909000.html
http://collection.cassetete.free.fr/1_bois/pique_blanc/pique_blanc.htm
Les quartiers libres / Packing quarters
http://collection.cassetete.free.fr/1_bois/quartiers_libres/quartiers_libres.htm
http://www.decodesystems.com/games/lightsout.html
https://twistypuzzles.com/cgi-bin/puzzle.cgi?pkey=586
Llavero astrolabio Planisférico
https://hemisferium.net/products/llavero-astrolabio
Llavero reloj de sol Hatton Carden Londres
https://www.amazon.com/Mahira-Nautical-Sundial-Hatton-Carden/dp/B07J41JB93
https://www.topnautica.es/llavero-sextante-de-laton-tagCodArt2100511
https://culturacientifica.com/2017/06/14/locura-instantanea-rompecabezas-cubos-colores/
Locura instantánea / Frantic II
https://culturacientifica.com/2017/06/14/locura-instantanea-rompecabezas-cubos-colores/
https://www.pavelp.cz/posts/eng-logarex-slide-rules/
MEDIDOR DE PESO DE DIAMANTES DE JOYERÍA
https://es.edenly.com/peso-diamante-quilate,103.html
https://www.amazon.es/SHONCO-Velocidad-Superficie-Duradera-Ansiedad/dp/B07H9ZM7T8
https://americanhistory.si.edu/collections/nmah_694509
https://www.collectorsweekly.com/stories/168368-german-made-map-measure-opsiometer
https://osgalleries.org/journal/pdf_files/22.1/V22.1P34.pdf
https://www.cem.es/es/cem/metrologia/sistema-internacional-unidades-si
Medidor de fuerza / tensión CORREX
https://ollerstocks.com/producto/medidor-de-fuerza-tension-haag-streit-correx-30g/
http://devenirdelaciencia.blogspot.com/2011/12/el-litro-con-mayuscula.html
H. de G. Bertran (Barcelona)
https://es.wikipedia.org/wiki/Litro
https://sliderules.lovett.com/meissnervariant/meissnervariant.htm
Meiwa Alexe Decimal Handy Calculator
https://campushuesca.unizar.es/imagen-galeria/meiwa-alexe-1965
https://www.samstoybox.com/toys/Merlin.html
Metro de carpintero (2 metros)
http://museovirtualiespedroespinosa.blogspot.com/2015/04/metro-de-carpintero.html
Metro plegable de carpintero
https://es.wikipedia.org/wiki/Metro_plegable
Mickey & Donald Skewb Ball
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzSkewbBall.html
https://www.keyence.com.mx/ss/products/measure-sys/measurement-selection/type/micrometer.jsp
https://www.juegosbesa.com/es/cartoon/1844-mindjewel.html
Mofang Jiaoshi Polaris Cube
https://kubekings.com/otros-puzzles/mofang-jiaoshi-polaris-cube.html#/31-color-stickerless
Moyu Meilong Maple Leaves Skewb
https://cuboscubik.com/Meilong-Maple-Leaves-Skewb
Moyu Meilong Puppet modelo 1
https://www.ludokubo.com/cubos-de-rubik/moyu-meilong-puppet/
Moyu Meilong Puppet modelo 2
https://www.ludokubo.com/cubos-de-rubik/moyu-meilong-puppet/
Moyu fisher skewb stickerless
https://www.curubik.com/cubos/66590/moyu/promocion-moyu-fisher-skewb-stickerles/
Nestler 0130 MultiMath Duplex
https://www.sliderulemuseum.com/Nestler.shtml
https://www.sliderulemuseum.com/Nestler.shtml
https://www.sliderulemuseum.com/Nestler.shtml
https://followingtherules.info/data-sheet-mjs-p-0060.html
https://americanhistory.si.edu/collections/nmah_1305810
Nudo 6 piezas / Traditional 6-Piece Burrs
http://www.robspuzzlepage.com/interlocking.htm
Nudo gordiano / Gordian Knot
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzz6PiecePLATEGordianKnot.html
OLIVETTI D1000 ELECTRONIC NOTE BOOK
http://www.calcuseum.com/SCRAPBOOK/BONUS/48557/1.htm
Omega Pocket Adding Machine
http://ancientpoint.com/inf/181083-vintage_omega_pocket_adding_machine_calculator_6wescosa_1964.html
https://www.alupe.es/producto/cilindro-de-calculo/
Orthops Slide Rule Raphael's Ltd
https://museum.aco.org.au/archive/588-orthops-slide-rule
Otis King Model K (D1681)
https://www.svpal.org/~dickel/OK/OtisKing.html
Otis King Model K (T/1234)
https://www.jaapsch.net/mechcalc/otisking.htm
Otis King Model K (V2664)
https://en.wikipedia.org/wiki/Otis_King
Otis King Model L (A3151)
https://www.svpal.org/~dickel/OK/OtisKing.html
Otis King Model L (A6272)
http://www.vintagecalculators.com/html/otis_king_l.html
Otis King's Model K (A4453)
https://physicsmuseum.uq.edu.au/otis-kings-patent-calculator-model-k
Ovotangram / Tangram huevo / TANGRAM OVAL
https://profmate.wordpress.com/2014/03/06/galeria-oval/
https://www.sphere.bc.ca/oldsite/test/pickett.html
https://le-rayon-des-calculatrices.fr/WordPress3/?p=686
http://www.calcuseum.com/LISTINGS/CALCUSEUM_Listing_P_Calcs.htm
https://uquid.com/shop/product/moyu-cube-pandora-cube-3x3x3-skew-cube-3x3x3-speed-cube-puzzle-cube-3x3x3-magic-cube-educational-for-children-cubo-magico-color-pandora-cube-iRyDTEoPWMQuY
https://kubekings.com/cubos-de-rubik-3x3/mofang-jiaoshi-pandora-cube.html
Paracaídas De Leonardo / Diamante brillante / Diamond Puzzle
https://kubekings.com/rompecabezas-de-madera/paracaidas-de-leonardo.html
https://www.novica.com/es/p/rompecabezas-de-madera-raintree-en-forma-de/338093/
https://kubiyagames.com/collections/burr-puzzles/products/diamond-puzzle-japanese-wooden-puzzle
Pavé Pentaminos-Pentacubes
https://www.mathkang.org/catalogue/prodppp.html
https://kubekings.com/otros-puzzles/qiyi-pentacle-cube.html
https://es.wikipedia.org/wiki/Pentomin%C3%B3
https://cayrothegames.wordpress.com/2012/07/31/pentominos-cuando-la-matematica-se-confunde-con-el-juego/
Pepsi Cola Slide Puzzle Can
https://www.modip.ac.uk/artefact/aibdc-000138
Pepsi Cola Slide Puzzle Can
https://sites.google.com/site/geduldspiele/Gallery3DSlidingPuzzles
https://www.todocoleccion.net/antiguedades-tecnicas/bascula-pesacartas-hema-dos-escalas~x332142238
https://collection.powerhouse.com.au/object/372285
Pickett Model 4-ES Vector Dual Base Log Log
https://www.sliderulemuseum.com/Pickett.shtml
Pickett Model 600 Log Log Duplex
https://www.sliderulemuseum.com/Pickett.shtml
Pickett N3-ES - Power Log Exponential
https://www.sliderulemuseum.com/Pickett.shtml
Pickett N4-T - Vector-Type Log Log Duplex
https://www.sliderulemuseum.com/Pickett.shtml
Pickett N520-T USAF Aerial Photo
https://www.sliderulemuseum.com/Pickett.shtml
https://www.jaapsch.net/puzzles/planets.htm
https://www.juegosbesa.com/es/2x2x2/932-pocket-cube-mefferts.html
https://worldofstuart.excellentcontent.com/pocketeers/new/rollup.htm
Post 1444K Post Logo (Hemmi on back)
https://www.sliderulemuseum.com/Post.shtml
https://www.sliderulemuseum.com/Post.shtml
https://www.sliderulemuseum.com/Post.shtml
Prisma octogonal / Rubik Barrel
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzRubikBarrel.html
https://beebeed.com/project/prisoners-ball/
https://www.thimet.de/CalcCollection/Calculators/Privileg-585/Contents.htm
https://rechnerlexikon.de/artikel/Pro_Calculo%21
https://www.computinghistory.org.uk/det/56916/Produx-Calculator/
http://www.mathsinstruments.me.uk/page84.html
https://www.gilai.com/product_446/Produx-Pocket-calculator-for-simple-calculations
https://badonoer.blogspot.com/2017/06/produx-pocket-calculator.html
https://www.vismath.eu/de/happy-cubes/profi-cube/
https://www.liaopo.top/products.aspx?cname=puzzle+piramide+madera&cid=1
Puzzle à trois bandes / The Six-Hand Burr
http://collection.cassetete.free.fr/1_bois/puzzle_trois_bandes/puzzle_trois_bandes.htm
Puzzzle Box #3 Constantin / La caja secreta de Constantin N.3
https://www.logicajuegos.es/la-caja-secreta-de-constantin-n-3-rt-edition
https://www.jaapsch.net/puzzles/pyraminx.htm
https://cubezz.com/Buy-6460-QJ+Ultimate+Skewb+V+Cube+Black.html
http://www.mathsinstruments.me.uk/page34.html
https://collection.sciencemuseumgroup.org.uk/objects/co8406871/ruler
Regla de cálculo circular
Regla plegable J. Halden & Cº LTD. 24 pulgadas
http://micerveza.es/reglas%20plegables.html
Regla plegable RABONE BOXWOOD 24 pulgadas
https://micerveza.es/reglas%20plegables.html
Regla plegable RABONE BOXWOOD 24 pulgadas Nº 1179
https://collection.sciencemuseumgroup.org.uk/objects/co412508/rabone-boxwood-folding-rule-folding-rule
Regla plegable RABONE BOXWOOD 36 pulgadas
https://www.sliderulemuseum.com/Germany.shtml#Reiss
https://www.relojesfalguera.es/product-page/reloj-de-sol-equatorial
https://es.wikipedia.org/wiki/Reloj_ecuatorial
Reloj de sol de bolsillo lat 43º long 8º
https://ragalaxys.com/es/dipticos/117-reloj-de-sol-rosa-de-vientos.html
Reloj de sol de pastor (latitud 42º)
https://es.wikipedia.org/wiki/Reloj_de_pastor
Reloj solar de Tico (Willy Fog)
https://www.hablemosderelojes.com/t/reloj-solar-tico-willy-fog/38470
Reloj solar de Tico (Willy Fog)
https://miarb.es/reloj-solar-colgante-de-anillo-en-metal-dorado-para-el-linaje-de-los-falguera/
https://www.jaapsch.net/mechcalc/resulta.htm
https://sliderules.lovett.com/srsearch.cgi?string1=Ricoh%20&string2=&string3=&string4=&string5=%240&month=10&year=1999&R=Full&British=on&German=on&French=on
Rompecabezas bola / Casse-tête Boule
http://collection.cassetete.free.fr/3_plastique/boule/boule.htm
Rompecabezas de cajones / Drawers chest puzzle
https://beebeed.com/project/drawers-chest-puzzle/
https://www.puzzlemaster.ca/browse/wood/7231-drawers-chest
Rompecabezas deslizante M. C. Escher "Sky and water 1"
https://www.vintagemanstuff.com/product/m-c-escher-sliding-puzzle-game-1990-pussycat-holland-germany-sky-water/
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzUFORubik.html
https://www.jaapsch.net/puzzles/rubik15.htm
Rubik's Magic 4x2 Universidad de Tecnología y Economía de Budapest
https://es.wikipedia.org/wiki/Universidad_de_Tecnolog%C3%ADa_y_Econom%C3%ADa_de_Budapest
https://www.mathematische-basteleien.de/magics.htm
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzRubikPanels8.html
Russian watch slide rule KL-1
https://mostlymaths.net/2013/11/my-russian-kl-1-circular-slide-rule-and.html/
https://www.worthpoint.com/worthopedia/sh-map-plotter-raf-nato-6b-6605-99-465168366
http://www.calcuseum.com/SCRAPBOOK/BONUS/11518/1.htm
https://mypuzzlecollection.blogspot.com/2012/09/spin-out.html
https://www.museocienciaupna.com/colecciones/swift-handy-calculator/
http://www.calcuseum.com/scrapbook/BONUS/09700/1.htm
Safari Pussycat sliding puzzles
https://collectionerus.ru/collections/pussycat/103/
http://mycalcdb.free.fr/main.php?l=0&id=2141
https://www.calculator.org/calculators/Santron_407.html
https://www.modip.ac.uk/artefact/aibdc-002945
Satelite / Gyro / BOULE MYSTÉRIEUSE
https://notecomaselcoco.blogspot.com/2010/04/satelite.html
https://www.puzzlemaster.ca/browse/wood/807-gyro
http://collection.cassetete.free.fr/1_bois/boule_mysterieuse/boule_mysterieuse.htm
https://www.jaapsch.net/puzzles/saturn.htm
http://collection.cassetete.free.fr/3_plastique/scrambled_egg/scrambled_egg.htm
http://www.calcuseum.com/scrapbook/BONUS/13616/1.htm
http://www.voidware.com/calcs/el5020.htm
Simplon Bilateral (Log Log)
https://www.sliderulemuseum.com/British.shtml
https://en.wikipedia.org/wiki/Sinclair_Scientific
https://militaria.1fr1.net/t27513-sitogoniometre-fr-1940
https://www.jaapsch.net/puzzles/skewb.htm
https://puzzlcrate.com/product/skewb-diamond/
https://es.wikipedia.org/wiki/Skewb_Ultimate
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzSkewbUltimate.html
https://es.wikipedia.org/wiki/Skewb
Slide Rule Patent Dr. Ing. Seehase
http://www.sliderules.info/collection/nonstandard/027-seehase.htm
Slidecomp Creative Instruments (compás)
https://www.worthpoint.com/worthopedia/vintage-slidecomp-creative-1788593756
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzCanSlide.html
Smart Egg Serie Iniciación Jester
https://kubekings.com/puzzles-laberinto/smart-egg-serie-iniciacion.html?mot_tcid=466ef91a-c6d3-4b78-a36f-189a2791e6ab#/251-modelo-jester
https://mates.aomatos.com/juegos-de-estrategia-el-solitario-ingles/
Solo Handy Adding Machine
https://www.jaapsch.net/mechcalc/solo.htm
Soviet CCCP 5161-57 1970 LFAI factory
https://www.sliderulemuseum.com/Soviet.shtml
Soviet CCCP 5161-57 1971 LFAI factory
https://www.sliderulemuseum.com/Soviet.shtml
Soviet KL-1 Slide Rule watch
https://www.javiergutierrezchamorro.com/regla-calculo-circular-kontrolpribor-kl-1/
Sporty's E6B Flight Computer
https://www.manualslib.com/manual/1911619/Sporty-S-E6b.html
https://www.jaapsch.net/puzzles/square1.htm
https://es.wikipedia.org/wiki/Square_One_(puzzle)
http://jeykanz.way-nifty.com/jeykanz/2019/01/star-sliding-di.html
Sterling add it adding machine
https://www.calaquin.com/2019/02/review-sterling-no-565-automatic-adding.html
https://www.sliderulemuseum.com/Hemmi.shtml
https://www.sliderulemuseum.com/HSRC/SUN%20HEMMI.htm
http://www.mathsinstruments.me.uk/page21.html
Sun Hemmi No. 130 System Darmstadt
https://www.sliderulemuseum.com/Hemmi.shtml
https://www.sliderulemuseum.com/Hemmi.shtml
https://rubiks.fandom.com/wiki/Super_Square_1
https://www.calcuseum.com/SCRAPBOOK/BONUS/14980/1.htm
https://sites.google.com/site/bobscalculatorsandsliderules/home/slide-rules/supremathic
https://sites.google.com/site/geduldspiele/PuzzleReviewSvetnashki
Sólidos de amplitud constante / Solidi di ampiezza costante
https://www.mathematicus.it/solidi-di-ampiezza-costante/
Tableta de chocolate / TABLETTE DE CHOCOLAT
https://notecomaselcoco.blogspot.com/2010/05/tableta-de-chocolate.html
http://collection.cassetete.free.fr/1_bois/tablette_chocolat/tablette_chocolat.htm
Tangram con caja de Plastico
https://kubekings.com/tangram/tangram-con-caja-de-plastico.html
https://es.wikipedia.org/wiki/Tangram
https://donsteward.blogspot.com/2011/01/sam-lloyds-dissection-puzzle.html
https://es.wikipedia.org/wiki/Tantrix
https://www.tantrix.com.es/productos/
https://welt-der-geduldspiele.blogspot.com/2021/10/tetris-cube.html
Texas Instruments TI-30 Galaxy
http://www.arithmomuseum.com/album.php?cat=c&id=296&lang=en
The Great Pyramid Pocket Puzzle
https://www.jaapsch.net/puzzles/pyramid.htm
https://www.prehistoriadelainformatica.com/calculadoras-calculators/
https://www.sliderulemuseum.com/Thornton.shtml
http://tinas-sliderules.me.uk/Slide%20Rules/Thornton.html
Torre Slide / Whip-It Towers (llavero)
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzWhipItTowers.html
Translateur Universel Caroll
http://dampfpanzerwagon.blogspot.com/2014/07/the-caroll-rule-or-translateur-universel.html
https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzTrickyDisky.html
Tricky Numbers / PUZZLE EN CHIFFRES
https://www.juegosbesa.com/es/matematicos/2518-rompecabezas-tricky-numbers-bamboo.html
http://collection.cassetete.free.fr/1_bois/puzzle_chiffres/puzzle_chiffres.htm
https://www.juegosbesa.com/es/rompecabezas-3d/2512-rompecabezas-triple-triangle.html
https://www.calcuseum.com/SCRAPBOOK/BONUS/12564/1.htm
https://www.calcuseum.com/SCRAPBOOK/BONUS/13238/1.htm
Tubò Pitagorico Quercetti
https://www.quercettistore.com/it/products/tubo-pitagorico-imparare-tabelline-bambini
https://www.sliderulemuseum.com/Unique.shtml
Unique Dualistic High Speed Slide Rule
https://www.sliderulemuseum.com/Unique.shtml
https://www.sliderulemuseum.com/Unique.shtml
http://tinas-sliderules.me.uk/Slide%20Rules/Unique.html
Unique Universal I (1939)
https://www.sliderulemuseum.com/Unique.shtml
https://campushuesca.unizar.es/imagen-galeria/vanguard-x-801-1972
https://www.fdi.ucm.es/migs/catalogo/x_802_electronic/
VINTAGE JEWELERS DIAMOND WEIGHT GAUGE
https://www.worthpoint.com/worthopedia/vintage-jewelers-diamond-weight-gauge-238582196
Walk up puzzle and try your luck (walkup)
Wellingtons Ltd Stamford Lincs
https://www.etsy.com/es/listing/928268183/juego-de-rompecabezas-vintage-ladybird
https://twistypuzzles.com/cgi-bin/puzzle.cgi?pkey=5540
https://www.thecubicle.com/products/mfjs-carbon-fiber-windmill-mirror-cube
Ábaco japonés / Soroban 43300
https://www.patternz.jp/soroban-japanese-abacus-history-tutorial/
https://www.museocienciaupna.com/colecciones/abaco-ruso-stchoty/
Ábaco ruso grande (schëty)
https://aphmuseum.org/record/russian-schoty/
http://collection.cassetete.free.fr/1_bois/erato/erato.htm