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Title: prismatic compass [Go to resource]
Description: Prismatic compass, Verner's pattern, air filled, British Army issue, No.144920, unsigned, European, 1918. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: magnetic compass
prismatic compassTemporal: 1918 Source: Science Museum Creator: Unknown maker Identifier: 1993-7059 Go to resource More Like this...
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