M0019031: Illustration of the string galvanometer made by the Cambridge Scientific Instrument Company in 1913
- Date:
- April 1962
- Reference:
- WT/D/1/20/1/169/36
Licence: Public Domain Mark
Credit: M0019031: Illustration of the string galvanometer made by the Cambridge Scientific Instrument Company in 1913. Source: Wellcome Collection.
