Oscilloscope mod. OS-8C/U - Jetronic Industries Inc. - U.S.A. ~1954.
Oscilloscope utilized by U.S. Marine since 1954. Vertical amplification 0/2 MHz, horizontal 0/500 KHz, sweep synchronism 0/50 KHz; the circuit use 10 tubes: 4 x 12AT7WA, 2x 6J6WA, 6X4W and the cathode ray tube 3RP1. Ac net required 110 Vac.
Oscilloscopio utilizzato dalla U.S. Marine dal 1954. Amplificazione verticale 0/2 MHz, orizzontale 0/500 KHz, sincronismo 0/50 KHz; il circuito impiega 10 valvole: 4 x 12AT7WA, 2 x 6AH6, 2 x 6J6WA, 6X4W e il tubo a raggi catodici 3RP1. Alimentazione 110 Vac.
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Below schematics, measurements and wiring  ***  Qui sotto schemi, tensioni e interconnessioni

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