Siemens-Reiniger-Veifa

Coolidge Type Therapy Tube

Oval bulb, light anode Radiotherapy Coolidge type tube, 32” (80 cms) long, 6” (15cms) bulb diameter.

Tungsten target.

Dating probably to the late twenties, or early thirties.

No. 59920, Type II, working 185 KV and 4 Ma.

Made by AEG for Siemens-Reiniger-Veifa.

Note the absence of the vacuum glass nozzle on the tube bulb, compared to earlier tubes.

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