The Arlo Patent Circular Slide Rule
£90
Country of manufacture
Other
Description
The “Arlo” patent slide rule, The Hague, Holland-in good condition in original aluminium case,celluloid cursor.
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Dealer information
Fletcher
Fletcher Wallis
Fletcher Wallis sells objects and books relating to the history of science, medicine and technology Arcade. He publishes books through Vernier Press, including Antique Medicine Chests, and Corkscrew Patents from 1795. He has been dealing for forty eight years.
