William Thomson's (Lord Kelvin 1824-1907) mirror galvanometer, instrument for measuring small electric currents. Wood engraving 1876.

Size: 4500px × 2981px
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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1824-1907, 1876., archival, archive, currents., electric, engraving, galvanometer, historical, history, instrument, kelvin, lord, measurement, measuring, mensuration, mirror, scientific, small, thomson, william, wood