The Turn Of The Century
Electrotherapy Museum
Period Apparatus (1900-1930)
 
                       http://www.electrotherapymuseum.com
   

X-Ray Coils (1890s-1900s)
 LE Knott Apparatus Laboratory
 Tesla Coil
 Campbell High Frequency, Before
 Restoration
 Campbell High Frequency Discharges
 Campbell Electric Gallery
 Frank S Betz X-Ray Machine
 Seeley Electric Vulcan Coil Gallery
 Seeley Electric Gallery
 Seeley Electric Vulcan Coil Experiments
 Vulcan Discharges Gallery
 Fischer X-Ray Coil, Before Restoration
 Fischer X-Ray Coil Details
 Fischer X-Ray Coil Discharges
 Feature Exhibition: Fischer Cenco Unit
 Feature Exhibition: Fischer Dental Unit
 Feature Exhibition: Wappler X-Ray Machine
 Feature Exhibition:
 Wappler High Frequency Apparatus
   
X-Ray Tubes (1900s)
 Feature Exhibition: X-Ray Tube Mania!
 Feature Exhibition: Edison X-Ray Tube
 Feature Exhibition: Tesla Style X-Ray Tube
 Crookes Tube Gallery
 NTM Vacuum Discharge Tube Gallery
 Tesla's 1897 Unipolar X-Ray Tube Experiment
 Victor High Frequency X-Ray Tube
   
High Frequency / Diathermy (1900-1930)
 Early Black & White Plates Gallery
 A. S. Aloe Company Gallery
 Aloe Lightning Photos
 A.S. Aloe Single Pole Electrotherapeutic Cabinet
 Betzco Quadramode Violet Ray
 Frank S Betz Pancake Coil
 Campbell Baby X-Ray / Diathermy Machine
 LE Knott Apparatus Company Coil
 Peerless Violet Ray Restoration
 H. G. Fischer Company Gallery
 Frank S. Betz Gallery
 McIntosh Gallery
 Portatherm Gallery
 Thompson Plaster Gallery
 Thompson Plaster Coil Restoration
 Fischer / Thompson Plaster Spark Gap
 Amos Cato Gallery
 Wappler Violet Ray Gallery
 Advertisements Gallery
 Feature Exhibition: Bovie Surgical Unit
 Feature Exhibition: Fischer Model D
 Feature Exhibition: Fischer Type G
 Feature Exhibition: Hogan Oudin Resonator
 Feature Exhibition: High Frequency Devices
 Feature Exhibition: Dynelectron Apparatus
 Eberhart Photo Gallery
 Plates From Strong's High Frequency Currents
 Feature Exhibition: Fischer Violet Rays
 

Wireless Telegraphy (1900-1920)
 NTM Telegraphs
 Feature Exhibition: Quenched Spark Gaps
 Marconi Wireless Telegraph Gallery
 High Frequency Alternators Gallery
 Quenched Gap Apparatus Gallery
 Poulsen Arc Gallery