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Title: 3 1/2"plain ring gauges by Sir W.G. Armstrong Whitworth and [Go to resource]
Description: 3 1/2"plain ring gauges by Sir W.G. Armstrong Whitworth and Co. Ltd., 1904 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: ring gauge Temporal: 1904 Source: Science Museum Creator: Armstrong Whitworth and Co. (maker) Identifier: 1983-394/1 Go to resource More Like this...
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