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Title: Combined navigational protractor and parallel rule, 1944-1970 [Go to resource]
Description: Combined protractor and parallel rule for navigational use, designed by H. Douglas and made by the London Name Plate Manufacturing. Co. Ltd., 35 Victoria Street, London S.W.1, 1944-1970 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: parallel rules
combined scale protractors
drawing instrumentsTemporal: 1944-1970 Source: Science Museum Creator: L.N.P. Manufacturing Co. Ltd. Identifier: 1986-1377 Go to resource More Like this...
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