Arrangement for measuring high voltages using spark gaps
DE384247C
Cover for high frequency electrodes serving as spacer
DE413558C
Incandescent cathode tubes with pure electron discharge, in which an anode provided with heat radiation surfaces on its outer parts surrounds the incandescent cathode at a small distance
DE402796C
Device for the production of short-term sharp X-rays of extensive objects
DE388243C
X-ray tube with glow cathode
DE380308C
X-ray tube with glow cathode
DE387630C
Incandescent cathode X-ray tubes with a glow cathode in the form of a helix
DE372422C
Device for generating x-rays by means of x-ray tubes with glow cathode and collecting device for constricting the cathode ray bundle
DE377611C
X-ray tubes standing with auxiliary influencing of their conductivity
