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Title: Circular protractor with two arms by George Adams, brass, in [Go to resource]
Description: Circular protractor with two arms by George Adams, brass, in mahogany case (lid veneer lacking) License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: drawing instruments
folding arm protractorsSource: Science Museum Creator: Adams, George Identifier: 1985-561 Go to resource More Like this...
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