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Description: Danchell patent water testing apparatus, in case, made by London and General Water Purifying Co., 157 Strand, London, England, 1871-1920. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: water testing apparatus Temporal: 1871-1920 Source: Science Museum Creator: London and General Purifying Co. (maker) Identifier: A608064 Go to resource More Like this...
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