M0015153: Illustration of the apparatus used by Edouard Branly to demonstrate the properties of the coherer

Date:
September 1956
Reference:
WT/D/1/20/1/135/32

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: M0015153: Illustration of the apparatus used by Edouard Branly to demonstrate the properties of the coherer. Wellcome Collection. Source: Wellcome Collection.

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