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Cold Cathode Ray Tube, c. 1902

Inventory Number: 25358

25358-2t 25358-1t

Date: c. 1902

Maker Details: Unknown

Inscription: None

Size: 640mm (in length) x 165mm (in width)

Materials: Glass, mahogany, copper, metal.

Other Given Number(s): Christie's 40.


Cold Cathode Ray Tube, of Braun-Zenneck pattern, on mahogany stand. Used to investigate the dampened wavetrains that were used for early spark transmissions.

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