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Title: Sector by Troughton [Go to resource]
Description: Sector by Troughton, brass, engraved "Troughton, London" 12" x 3 1/4" when closed, case 14" x 4 1/2" x 1", "H.O.2." painted on case License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: sectors
proportion drawing instrumentsTemporal: 1801-1830 Source: Science Museum Creator: Troughton, Edward Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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