My puzzle collection (Long video) @jaapsch2
My puzzle collection (Long video)  @jaapsch2
Uploaded December 2012 | Updated September 2026, 5 hours ago
Here is a longer video of my puzzle collection.
The collection is mostly twisty puzzles, and resides in a rather full display cabinet, and twenty-four 30-litre storage boxes.
A shorter video is here: youtu.be/P39_ut2hQJQ
My puzzle collection (Long video)The Brunsviga D 13Z/1 double calculatorThe Dixi adding machineThe Rheinmetall SASL mechanical calculatorThe Curta CalculatorThe Madas Portable 12e mechanical calculatorThe Solo Handy Calculator / Chadwick Mini-Calculator / Neckermann HaushaltkalkulatorThe mechanism of the Monroe K mechanical calculatorThe Addimult Ziffrex adding machineThe Addo Model 2 adding machineThe Burroughs Portable adding machineThe Unitas Calculator
Jaap Scherphuis |

My puzzle collection (Long video)

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