Three photographic prints of Bollee's calculating machine: (a) front view

Made:: 1925 in Paris

Three photographic prints of Bollee's calculating machine: (a) front view; (b) view from above (c) multiplying piece

Details

Category:: Mathematics

Object Number:: 1925-837

type:: photographs (calculating machine)

credit:: Conservatoire National de Arts et Metiers

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Three photographic prints of Bollee's calculating machine: (a) front view

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