M0016393: Ruhmkorff coil used by D'Arsonval in 1887 during experiments on the physiological effects of high frequency currents

Date:
September 1957
Reference:
WT/D/1/20/1/147/49

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: M0016393: Ruhmkorff coil used by D'Arsonval in 1887 during experiments on the physiological effects of high frequency currents. Source: Wellcome Collection.