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Title: Focus x-ray tube with two spherical electrodes for use with [Go to resource]
Description: Focus x-ray tube with two spherical electrodes for use with alternating currents, each electrode serving as cathode and anode in turn, on stand, 1896-1899. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1896-1899 Source: Science Museum Identifier: 1923-353 Go to resource More Like this...
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