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Title: Relative humidity sensor and dial, by Negretti & Zambra. 194 [Go to resource]
Description: Relative humidity sensor and dial, by Negretti & Zambra. 1940s. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: humidity meter Temporal: 1940-1949 Source: Science Museum Creator: Negretti & Zambra Identifier: 1997-1330 Go to resource More Like this...
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