Philpp Matthäus Hahn's calculator

youtu.be

Philpp Matthäus Hahn's calculator

youtu.be

Euler_eix@lemmy.world to

Calculator Community@midwest.social · 1 year ago

Philipp Matthäus Hahn calculator 1770 1774, demonstration model

youtu.be

Demonstration model of Philpp Matthäus Hahn's calculator. This video shows how addition and multiplication is performed. For more information about this type...

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