1st Nov, 2018 12:00

Fine Photographica & Instruments of Science & Medicine

 
Lot 79
 

A Cathode Ray Tube

c.1900, unsigned, German, low vacuum Crookes tube, hand-blown glass bulb with three anodes, tested and working, height 31cm

 
c.1900, unsigned, German, low vacuum Crookes tube, hand-blown glass bulb with three anodes, tested and working, height 31cm

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