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Percival Davis Lowell

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Radio frequency AmplifiersRadio-frequency amplifiersPercival Davis Lowell

Radio-frequency amplifiers

Percival Davis Lowell · Govt. Print. Off.

343 sayfa · 1922

Radio frequency Amplifiers

Amplifiers, Vacuum-tubeAn electron tube amplifier using 60-cycle alternating current to supply power for the filaments and platesPercival Davis Lowell

An electron tube amplifier using 60-cycle alternating current to supply power for the filaments and plates

Percival Davis Lowell · Govt. Print. Off.

352 sayfa · 1922

Amplifiers, Vacuum-tube