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
20:39
#1753 Selenium Rectifiers
14:09
A Look at Mercury and Xenon Rectifiers
10:42
Mercury Vapor Rectifiers and Hash
14:46
Excitron Grid Controlled Mercury Arc Rectifier
29:24