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Non-Commercial Use
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Category
Industrial Metrology
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Maker
Brown and Sharpe Manufacturing Company
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National Physical Laboratory
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National Physical Laboratory; Brown and Sharpe Manufacturing Company
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Object type
micrometer for screw diameter measuring
1
Place
Teddington
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Teddington, Richmond upon Thames, Greater London, England, United Kingdom
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Material
cast iron
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steel
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Date
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Experimental screw diameter measuring machine
1915
