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Title: Mason's wet and dry hygrometer by G [Go to resource]
Description: Mason's wet and dry hygrometer by G. H. Zeal Ltd., London, 1985, in protective case, 300cm high. Cat.No. 12340 PCBS, range -5 to +50�C with original cardboard packaging box License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Mason (designer) Identifier: 1985-746 Go to resource More Like this...
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