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Description: Micrometer, possibly for measuring lenses, made in England(?), 1850-1940 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: micrometers Temporal: 1850-1940 Source: Science Museum Identifier: A680747 Go to resource More Like this...-
Constant temperature cauldron, European, 1850-1940Constant temperature cauldron, European, 1850-1940
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