Cathode Ray Tube
From Dead Media Archive
PROCEEDINGS AM. PHIL. SOC. VOL. XXXV, No. 150, PLATE I.
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Picture taken during the demonstration of the Röntgen Rays at the meeting of the American Philosophical Society held February 7, 1896.
(Proceedings of the American Philosophical Society, 1896)
References
"Remarks Made at the Demonstration of the Rontgen Ray, at Stated Meeting, February 21, 1896." Proceedings of the American Philosophical Society, Vol. 35, No. 150. (Jan., 1896), pp. 17-36.