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History of Science Museum

Counting Machine For the Blind

Inventory Number 95393


Item type
Object
Physical material
Wood
Iron Alloy
Dimensions
Height: 72mm Width: 344mm Depth: 63mm Weight: 512g
Inventory No
95393

Description

An iron alloy rectangular mechanism mounted on a wooden base. One edge of the mechanism has a serrated edge with a rotating half-sphere dial attached to one end. Set off-centre is a mechanism with 7 levers with circular flat ends.