"Madas" calculating machine with metal cover

Made:
1920 in Zurich
Madas' calculating machine with metal cover, no

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Madas' calculating machine with metal cover, no
Science Museum Group
© The Board of Trustees of the Science Museum

"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.