M0015487: Thomas Edison using a calcium tungstate flouroscope
- Date:
- November 1956
- Reference:
- WT/D/1/20/1/138/52
Licence: Public Domain Mark
Credit: M0015487: Thomas Edison using a calcium tungstate flouroscope. Source: Wellcome Collection.
Licence: Public Domain Mark
Credit: M0015487: Thomas Edison using a calcium tungstate flouroscope. Source: Wellcome Collection.