Glass X-ray tube, fitted with regulator and a valve tube, 1895-1900 Glass X-ray tube Radiomedicine 1895-1900
Glass X-ray tube, with regulator and water cooled anticathode, 1900 Glass X-ray tube with regulator and water cooled anticathode Radiomedicine 1900
Crookes discharge tube, used to demonstrate that cathode rays travel in straight lines Crookes discharge tube Radiomedicine
Crookes discharge tube, contains an undidentifiable chemical substance Crookes discharge tube Radiomedicine
X-ray tube with aluminium anode and cathode, platinum an-cathode and vacuum regulator X-ray tube with aluminium anode and cathode, plati Radiomedicine