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Title: Mathematical sector, British, 1813-1839 [Go to resource]
Description: Brass mathematical sector, 12-inch, by W. Harris & Co., London and Hamburg, 1813-1839. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: sector - mathematical Temporal: 1813-1839 Source: Science Museum Creator: W. Harris & Co. Identifier: 1986-200 Go to resource More Like this...
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