High frequency (violet ray) device
- PART OF:
- High frequency
- Made:
- 1920-1955 in United States
High frequency (violet ray) device, made in USA, 1920-1955
Details
- Category:
- Therapeutics
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A500511/1
- Materials:
- wood (unidentified)
- type:
- device
