M0019035: Elctrocardiograph used by Sir Thomas Lewis in 1912, incorporating Einthoven's string galvanometer
- Date:
- April 1962
- Reference:
- WT/D/1/20/1/169/40
Licence: Public Domain Mark
Credit: M0019035: Elctrocardiograph used by Sir Thomas Lewis in 1912, incorporating Einthoven's string galvanometer. Source: Wellcome Collection.
