Adding machine

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Adding machine, circular, stylus operated
Science Museum Group
© The Board of Trustees of the Science Museum

Adding machine, circular, stylus operated, 2 5/8" diameter mounted on 3" square metal plate, (German patent D.R.P. 335921)

Details

Category:: Mathematics

Object Number:: 1954-656

type:: adding machines (stylus)

credit:: Mr L. Mercer

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Adding machine

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