In Oct 1935, Federal Communications Commission prepared specifications and test procedures for guidance of American manufacturers in development of satisfactory auto alarm for ships in distress; outstanding technical conditions that must be satisfied and manner in which various requirements are met in Radiomarine auto alarm, discussed.
Automatic alarm
RCA Rev
RCA Review ; 1 , n 3
1937
16 pages
Aufsatz (Zeitschrift)
Englisch
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