A more user-friendly power supply for this demo is available. The supplier for the cathode ray tube (Crookes tube in the catalogue) was Nada Scientific. A typical lecture hall document camera works ...
He returned to Strasbourg in 1895 as principal of the Physics Institute and remained there, even though he got other offers as well. Braun’s invention of the cathode-ray tube, also known as the ...
The glass envelopes of the cathode-ray tubes were carefully cut from the sockets, and the guts of the tubes were discarded to make room for the replacement circuit, which lives on two PCBs.
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