Calculating machine made by Philipp Matthäus Hahn. It was the first calculator that could add, subtract, divide and multiply in one machine, and had an 11-digit capacity. Germany, Duchy of Württemberg, 1770-1774 [2700×2600]
Calculating machine made by Philipp Matthäus Hahn. It was the first calculator that could add, subtract, divide and multiply in one machine, and had an 11-digit capacity. Germany, Duchy of Württemberg, 1770-1774 [2700×2600]
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[Museum](https://www.landesmuseum-stuttgart.de/sammlung/sammlung-online/dk-details/?dk_object_id=368)
Need to get ClickSpring on this to make a recreation.
I wonder Chris is on Reddit…. u/ClickSpring?
I thought I was in the cake decorating sub for a moment and was like daaamn
This is a Curta but 200 years older! Brilliant.
[https://curta.org/](https://curta.org/)