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coin scale
Pic CS 39
Money
scale by B. Stubbs, London late 17th century,
The center lever is spring-loaded upwards to immobilize the beam when not
in use. Retractable slot gauge at the front for checking the diameter and
thickness of coins ( thus the instrument is called a counterfeit coin
detector ). Brass slide weight on a iron beam (steelyard) 5" long
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