M0015838: X-ray tube, double focus type, introduced in Germany in 1896
- Date:
 - 1957
 
- Reference:
 - WT/D/1/20/1/141/89
 
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: M0015838: X-ray tube, double focus type, introduced in Germany in 1896. Source: Wellcome Collection.
