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Title: Machine divided steel rule 12" long pattern, no. 412D mounte [Go to resource]
Description: Machine divided steel rule 12" long pattern, no. 412D mounted on common board with /2, /3 and /4 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: steel rule Temporal: c. 1918 Source: Science Museum Creator: J. Chesterman & Co. Limited Identifier: 1919-253/1 Go to resource More Like this...
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