"Madas" calculating machine with metal cover, no.4

Made:
1920 in Zurich

"Madas" calculating machine with metal cover, no.4757 capacity 7 x 7 x 12 by H.W. Egli Limited, Zurich, Switzerland.

Details

Category:
Mathematics
Object Number:
1920-53
type:
calculating machine (stepped drum)
credit:
Wood, G.
status:
Permanent collection

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