M0015380: Diathermy machine with a thermionic valve: "The Exlem"
- Date:
- October 1956
- Reference:
- WT/D/1/20/1/137/44
Licence: In copyright
Credit: M0015380: Diathermy machine with a thermionic valve: "The Exlem". Source: Wellcome Collection.
Licence: In copyright
Credit: M0015380: Diathermy machine with a thermionic valve: "The Exlem". Source: Wellcome Collection.