Aerosol detection device
Apparatus including an X-ray tube with shielding electrodes
Cold cathode gas-discharge tube
Dual filament X-Ray tube
Dual filament X-ray tube
Electron beam focussing for X-ray apparatus
Frosted X-ray tube
Glow discharge starter containing radioactive alloy
High pressure metal vapor discharge lamp
High pressure metal vapor discharge lamp with radioactive materi
High voltage insulators for long, linear switches
High-voltage vacuum tube, particularly an x-ray tube
Hot-cathode X-ray tube having an end-mounted anode
Image intensifier with two-layer input window
Internally shielded X-ray tube
Ionization smoke detector
Metal vapor discharge lamp with radioactively impregnated cerami
Multi-target X-ray tube
Multiple cathode X-ray tube for densitometers
Portable X-ray device