Triple Dividers, Gilt Metal Pocket Telescope/monocular/spyglass, Unsigned Calculigraphe type Circular Slide Rule

Triple Dividers, Gilt Metal Pocket Telescope/monocular/spyglass, Unsigned Calculigraphe type Circular Slide Rule

Various

Country of manufacture

UK and Ireland

Categories: Scientific, Telescopes, Calculating, Drawing Instruments, Monoculars

Description

Large pair of Triple Dividers,nickel, seven inches long=£240

Gilt metal folding telescope/spyglass/monocular,adjustable focus, condition good=£250

Larger than normal, circular slide rule/calculator, Calculigraphe type, one sided, three inches diameter=£200

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Dealer information

GB 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.

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