SCR73 synchronous rotary-gap transmitter designed and developed to be adjustable to nine wave lengths supplemented by five notes obtained from interchangeable-gap rotors to prevent interference and to aid in identification.
Pilot motor variable pitch propeller
Aviation
Aviation ; 6 , n 7
1919
2 pages
3 Figs.
Aufsatz (Zeitschrift)
Englisch
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Europäisches Patentamt | 2021
|NTRS | 1923
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