Electronic apparatus for biological research Electronic apparatus for biological research electronicappara00dona Year: 1958 CATHODE RAY TUBE (5) The advent of the transistor. The transistor is essentially a current- controlled and -controlling device, and it seems reasonable to suppose that future transistorized apparatus will employ magnetic cathode ray tubes. Construction—The triode magnetic cathode ray tube contains merely a cathode, with associated heater, a grid to control the trace brightness, and an anode. The assembly resembles cathode, grid and ^4^ in an electrostatic tube, except th

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Electronic apparatus for biological research Electronic apparatus for biological research electronicappara00dona Year: 1958 CATHODE RAY TUBE (5) The advent of the transistor. The transistor is essentially a current- controlled and -controlling device, and it seems reasonable to suppose that future transistorized apparatus will employ magnetic cathode ray tubes. Construction—The triode magnetic cathode ray tube contains merely a cathode, with associated heater, a grid to control the trace brightness, and an anode. The assembly resembles cathode, grid and ^4^ in an electrostatic tube, except that in the magnetic case the anode comprises also a deposited graphite coating inside the flare of the envelope {Figure ). The negative Anode yy connection yy Cathode i=rT- Grid Anode Tube neck

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