Britannic barrel calculating machine

Made:
1930-1939 in London

Britannic barrel calculating machine by Guy's Calculating Machines Limited, London, patented with lockable wooden top and base. Name plate on base suggests Block and Anderson Limited, London as supplier

Details

Category:
Mathematics
Object Number:
1999-1178
Materials:
brass, complete, steel, wood
type:
calculating machine (pinwheel)
credit:
Science Museum (Great Britain)
status:
Permanent collection

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