Two Fowlers Long Scale Calculators and an Otis King

Two Fowlers Long Scale Calculators and an Otis King


Country of manufacture

UK and Ireland

Category: Calculating


A small 2.75 inch diameter double sided Fowler scale in original nickel case-£90

A larger single sided Fowler long scale calculator, 4.75 inches diameter in scuffed original case-one hinge broken-£90

An Otis King calculator in good condition, in original scuffed card case with set of instructions-£60

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Dealer information


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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