A water meter introduced by William Siemens and Joseph Adamson, 1851-1867. Photograph, ca. 1936.

Date:
[1936?]
Reference:
582522i

Licence: In copyright

Credit: A water meter introduced by William Siemens and Joseph Adamson, 1851-1867. Photograph, ca. 1936. Wellcome Collection. Source: Wellcome Collection.

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