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Title: Ham's combined ullaging and proof rule, 4ft x 3 1/2", with 3 [Go to resource]
Description: Ham's combined ullaging and proof rule, 4ft x 3 1/2", with 3 slides for gauging calullatis, by C.T.Cooper, London, c. 1850 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: slide rule (ullage) Temporal: 1842-1845 Source: Science Museum Creator: Cooper, Charles John Identifier: 1954-321 Go to resource More Like this...
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