Halden Calculex Large Format Desk Model
£550
Dimensions
Five inches diameter
Circa
1920
Country of manufacture
UK and Ireland
Description
A five inch diameter large format desk model Halden Calculex in good working condition in original, but scuffed, case, marked on lid ‘A. Halden & Co Ltd British Made’
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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.
