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Title: Extension arm for compasses and drawing pens [Go to resource]
Description: Extension arm for compasses and drawing pens, metal, peg at one end, slot at other. Belonged to T.E. Ludwig, Chief Draughtsman, Crewe License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: drawing instrument Source: Science Museum Identifier: 1984-7489 Go to resource More Like this...
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