Photograph of engravings

Made:: 1925 in South Kensington

photographer:: Science Museum

Photograph of engravings of Hahn's calculating machine

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Photograph of engravings of Hahn's calculating machine
Science Museum Group
© The Board of Trustees of the Science Museum

Photograph of engravings of Hahn's calculating machine

Details

Category:: Mathematics

Object Number:: 1925-864

type:: photograph (rotary calculating machine)

credit:: Science Museum (Great Britain)

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Photograph of engravings

Details

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