Other Radiology Items For Sale:
- Hot Item | Interesting old X ray (?) tube f. school or university cold cathode ? Crookes??
- Where To Buy | Interesting old X ray (?) tube f. school or university cold cathode ? Crookes??
- Crookes Cold Cathode Radiometer Tube Geissler X-ray Rife Plasma High Voltage
- Old Vintage Antique Crookes Geissler Cold Cathode X-ray Tube German #2
- Online Source | Petite, very old X ray tube from school or university