Air-Cooled Hot Cathode Tubes

 

Click on an item to open the corresponding page.

 

 

 

Early “Victor” Coolidge Tube

 

 

           “AEG” Coolidge Tube (1915)

 

 

 

Siemens-Reineger-Veifa Therapy Tube

 

“4UD” General Electric Therapy Tube

 

 

 

 

“Okco” Tube, 1920’s

 

 

“Media” CHF Müller  Line Focus Tube

 

 

 

              “Tubix” Line Focus Tube

 

1919 Coolidge Dental Tube

 

 

 

Philips Metalix 1930’s

 

 

 

 

Machlett “CYR” Tube

Suggested reading : 

 

Coolidge X-ray Tubes  by Dr. Paul Frame,

Oak Ridge Associated Universities.    
www.orau.org/PTP/collection/xraytubescoolidge/coolidgeinformation.htm

 

 

 

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