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Title: Polymeter, relative humidity meter, signed on dial face Case [Go to resource]
Description: Polymeter, relative humidity meter, signed on dial face Casella, London, but with thermometer attached made by Labortherm N, Germany. 1950-1970 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: Polymeter Temporal: 1950-1970 Source: Science Museum Creator: C.F. Casella and Co. Ltd Identifier: 2003-30 Go to resource More Like this...
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