Kelvin's cable galvanometer to detect Atlantic cable signals at Hunterian Museum. Glasgow, Scotland.

Kelvin's cable galvanometer (mid 1850s) to detect Atlantic cable signals at Hunterian Museum. Glasgow, Scotland.

Kelvin's cable galvanometer (mid 1850s) to detect Atlantic cable signals at Hunterian Museum. Glasgow, Scotland.
Photo by Jim Steinhart © 2017, all rights reserved. (Ref: UAGJ0556)

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Hunterian Museum, Glasgow