McDermotts Screw Propeller Computer
£90
Dimensions
18 cms
Circa
1904
Country of manufacture
UK and Ireland
Description
A cardboard Calculator with directions for operating in original leather case
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Dealer information
Fletcher
Fletcher Wallis
Fletcher Wallis sells objects and books relating to the history of science, medicine and technology from his unit at Admiral Vernon Arcade Portobello Road. He publishes books through Vernier Press, including Antique Medicine Chests, and Corkscrew Patents from 1795. He has been dealing for thirty five years.
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