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Ornemental Cascade Geissler Tube C. 1900
Geissler tube or cathode ray tube.
Physics cabinet demonstration model, with the presence of an urn or vase (whose pattern is close to Gassiot's waterfall) made of urethane glass; when the tube was energised by a coil, green fluorescence could be seen spilling out of the vase from the visible hole at the base of the tube.
Nice condition of this sophisticated model, on a wooden display stand.
Reference: E. Leybold's Nachfolger, Catalogue of Physics Teaching Apparatus Built by E. Leybold's Nachfolger, Cologne: Impr. Paul Gehly, [1905], pp. 776, 8612-8614: "Geissler Tube with Uranium Glass Cup".
Physics cabinet demonstration model, with the presence of an urn or vase (whose pattern is close to Gassiot's waterfall) made of urethane glass; when the tube was energised by a coil, green fluorescence could be seen spilling out of the vase from the visible hole at the base of the tube.
Nice condition of this sophisticated model, on a wooden display stand.
Reference: E. Leybold's Nachfolger, Catalogue of Physics Teaching Apparatus Built by E. Leybold's Nachfolger, Cologne: Impr. Paul Gehly, [1905], pp. 776, 8612-8614: "Geissler Tube with Uranium Glass Cup".
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