Catalogue
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Cold Cathode Ray Tube, c. 1902
Inventory Number: 25358
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.
Notes:
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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