Jaap Scherphuis

The Sirius adder 13:36
The Sirius adder Jaap Scherphuis 2,008 3 года назад
The Addimult Ziffrex adding machine 5:59
The Addimult Ziffrex adding machine Jaap Scherphuis 790 4 года назад
The Adall Calculator 7:47
The Adall Calculator Jaap Scherphuis 16,204 3 месяца назад
Velos Lightning and GEMS Automatic Numbering Machines 9:54
Velos Lightning and GEMS Automatic Numbering Machines Jaap Scherphuis 724 4 месяца назад
Jaap Scherphuis - Developments in Pentagonal Tilings - G4G13 Apr 2018 4:52
Jaap Scherphuis - Developments in Pentagonal Tilings - G4G13 Apr 2018 G4G Celebration 876 6 лет назад
The Add-A-Mite Pocket Calculator 4:59
The Add-A-Mite Pocket Calculator Jaap Scherphuis 1,203 4 года назад
The Facit Standard mechanical calculator 8:03
The Facit Standard mechanical calculator Jaap Scherphuis 901 2 месяца назад
The Odhner LuSiD, a strange pinwheel calculator for British currency 15:20
The Odhner LuSiD, a strange pinwheel calculator for British currency Jaap Scherphuis 1,696 1 год назад
The Original-Odhner 24 mechanical calculator 11:57
The Original-Odhner 24 mechanical calculator Jaap Scherphuis 4,670 3 года назад
RESTORATION OF the VK-1 ARITHMOMETER in 1962 and gave it a second life! 26:55
RESTORATION OF the VK-1 ARITHMOMETER in 1962 and gave it a second life! PSV Restoration 183,475 3 месяца назад
The Olivetti Summa 15 adding machine 8:37
The Olivetti Summa 15 adding machine Jaap Scherphuis 2,128 2 года назад
Addometer adding machine 12:24
Addometer adding machine Jaap Scherphuis 3,729 5 лет назад
The Schubert DRV mechanical calculator 9:50
The Schubert DRV mechanical calculator Jaap Scherphuis 2,586 3 года назад
How the Original Odhner pinwheel calculator works 16:25
How the Original Odhner pinwheel calculator works Jaap Scherphuis 6,128 3 года назад
The Portable Adding Machine 6:45
The Portable Adding Machine Jaap Scherphuis 918 10 месяцев назад
The Multifix E1R mechanical calculator 11:33
The Multifix E1R mechanical calculator Jaap Scherphuis 2,049 3 года назад
Rheinmetall D IIa Calculator 9:35
Rheinmetall D IIa Calculator Jaap Scherphuis 986 4 года назад
The Signature Junior Adding and Multiplying Machine 4:04
The Signature Junior Adding and Multiplying Machine Jaap Scherphuis 600 4 года назад
Odhner's Arithmometer mechanical calculator 6:41
Odhner's Arithmometer mechanical calculator Jaap Scherphuis 861 4 месяца назад
The Rheinmetall SASL mechanical calculator 10:55
The Rheinmetall SASL mechanical calculator Jaap Scherphuis 1,341 6 месяцев назад
The Astra "Baby" Adding Machine 5:46
The Astra "Baby" Adding Machine Jaap Scherphuis 913 5 месяцев назад
Lightning Adding Machine comparison 4:38
Lightning Adding Machine comparison Jaap Scherphuis 1,275 5 лет назад
A short history of the Comptometer 9:51
A short history of the Comptometer Jaap Scherphuis 2,241 3 года назад
My puzzle collection (Long video) 22:30
My puzzle collection (Long video) Jaap Scherphuis 1,952 12 лет назад
The Marchant XL's mechanism 3:01
The Marchant XL's mechanism Jaap Scherphuis 273 5 лет назад

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