The X-ray sphere was the first truly universal X-ray device from Siemens. It could be plugged into the normal power grid, and it contained the X-ray tube and transformer in a single radiation-proof, surge-proof sphere. The sphere was produced from 1934 to 1974, and over 30,000 of them were sold – two signs of the device’s popularity all over the world.
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- Friday 15 March 2019
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