A quack medical device used to restore hair,cure cancer,increase intelligence,and cure gout. The device is actually a Tesla coil used to excite a tube filled with low pressure neon gas. The device had no medical advantages. This device was sold under a number of names including the Violet ray. Sold from the 1930's until the late 1970's | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Kinsman, Ted |
Bildgröße: | 4364 px × 3420 px |
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Eigentums-Rechte: | nicht erforderlich |
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