How the Original Odhner pinwheel calculator works

Описание к видео How the Original Odhner pinwheel calculator works

I'll show and describe how an Odhner pinwheel calculator works. It is an Original Odhner model 24.

For more information about this and other calculators in my collection, please visit my website:
https://www.jaapsch.net/mechcalc/

0:00 Introduction
0:29 Pinwheel
1:14 Carry mechanism
3:27 Latch
4:26 Input clearing mechanism
7:00 Counter increment mechanism
10:45 Counter carry mechanism
13:34 Back transfer mechanism
15:20 Input display mechanism
16:02 Outro

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