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Title: One of two brass 6-inch circular protractor, divided in half [Go to resource]
Description: One of two brass 6-inch circular protractor, divided in half degrees, by W.F. Stanley, London, 1876. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: drawing instruments
circular protractorsTemporal: 1876 Source: Science Museum Creator: Stanley, William Ford Identifier: 1876-639/1 Go to resource More Like this...
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