The Turn Of The Century Electrotherapy Museum
From Diathermy Machine to Tesla Magnifying Transmitter
Adding an "Extra" Coil to a Diathermy Machine can make some nice sparks without destroying a historical machine in the process!
Various coil forms were tried - this one is space-wound 28 AWG DSC - 4.5" diameter.
Two "Violet Ray" hard rubber handles wound with 30 AWG SSC wire.
The windings are 2" x 7.875". A metal rod (electrode) is connecting the two
coils in series...
(It is curious to note that these dimensions [5 cm x 20 cm] were given for
two Tesla Coils under coil used for his "Light And Other High Frequency
Sparks are long as if from a Oudin resonator,
but still hot and able to cause bad RF burns on the higher power levels!
Click here for a movie!
I'm surprised HG Fischer didn't manufacture something like this!
Wiring Diagram of a typical Diathermy Machine
The secondary winding of the Tesla/Oudin Coil has only 90 turns of
20 AWG Cotton Covered Wire!
(C) Jeff Behary, 2007, 2008