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Old mechanical calculating machine:
the Brunsviga 13RK

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Brunsviga 13RK mechanical calcuating machine, 1950s

Mechanical calculating machine, Brunsviga 13RK, 1950s.

Click for a diagram of the labelled parts.

   

   

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This website Join me in the 1900s is a contribution to the social history of everyday life in 20th century Britain from the early 1900s to about 1960, seen through personal recollections and illustrations, with the emphasis on what it was like to live in those times.