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Title: Nitrogen filled mercury thermometer, glass, scale-5-50 degre [Go to resource]
Description: Nitrogen filled mercury thermometer, glass, scale-5-50 degrees centigrade, by F. W. Johnston and Daughter, Hendon, 1950-1978 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: thermometers Temporal: 1950-1978 Source: Science Museum Creator: F W Johnston and Daughter Identifier: 1979-670/5 Go to resource More Like this...-
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