|
The Turn Of The Century Electrotherapy
Museum http://www.electrotherapymuseum.com  A Simple Interrupter by Paul Horton Combination mercury break / spark gap...many thanks to Steve for sending this!  
(C) Jeff Behary, 2010 |
|
The Turn Of The Century Electrotherapy
Museum http://www.electrotherapymuseum.com A Simple Interrupter by Paul Horton Combination mercury break / spark gap...many thanks to Steve for sending this!
(C) Jeff Behary, 2010 |