making a mercury arc rectifier
26:51
Testing The 50 Year Old Mercury Arc Rectifier
8:36
Kempton Steam Museum - The Mercury Arc Rectifiers
55:11
making a 50,000 volt power supply
25:27
Vacuum Tubes/Valves by Mullard ~Manufacture for Audio TV Radio
20:39
#1753 Selenium Rectifiers
14:09
A Look at Mercury and Xenon Rectifiers
14:46
Excitron Grid Controlled Mercury Arc Rectifier
37:50