M0016397: A moving coil galvanometer of the type designed by D'Arsonval

Date:
September 1957
Reference:
WT/D/1/20/1/147/53

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: M0016397: A moving coil galvanometer of the type designed by D'Arsonval. Source: Wellcome Collection.