Adjustable sphere gap for measuring X-ray power supplies
- Made:
- 1900-1939
Adjustable sphere gap for measuring the kilovoltage of X-ray power supplies, in wooden case, range 40-200kV, 1900-1939.
Adjustable sphere gap for measuring the kilovoltage of X-ray power supplies, in wooden case, range 40-200kV, 1900-1939.
