Brunsviga 13 RM mechanical desk calculator. Part of the National Physical Laboratory's collection, at Teddington. Middlesex. UK.

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Brunsviga 13 RM mechanical desk calculator. Part of the National Physical Laboratory's collection, at Teddington. Middlesex. UK. (69)

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Size: 4452px × 2912px
Photo credit: © David Gee 4 / Alamy / Afripics
License: Licensed
Model Released: No

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