Coggeshall rule

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A two foot hinged rule based on the design of Henry Coggeshall, first described in 1677. With labelled scales and a brass sliding rule in one arm.

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ID:	ZBA0437
Type:	Rule
Display location:	Not on display
Creator:	Unknown
Date made:	Unknown
Credit:	National Maritime Museum, Greenwich, London
Measurements:	Overall: 3 x 318 x 40 mm