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Title: X-ray focus tube with target and two concave electrodes [Go to resource]
Description: X-ray focus tube with target and two concave electrodes, for use with alternating currents, associated with A. A. C. Swinton, c. 1896. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1909-186/16 Go to resource More Like this...
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