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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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6 jun 1851 año - Schilt Adding Machine
Descripción:
Victor Schilt creates first key-driven adding machine
Añadido al timeline:
Calculator TIme
By
Piston Phantom
10 oct 2018
0
0
364
fecha:
6 jun 1851 año
Ahora mismo
~ 174 years ago
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