U.S. Military Bulletin No. 29, Shōwa 5.4.1, Naval General Staff Third Section, Danger of Shipboard Short-Wavelength Transmitters

AI summary (β): U.S. Military Bulletin No. 29, "Danger of Shipboard Short-Wavelength Transmitters," is a report by the Naval General Staff Third Section concerning the danger of induced currents from shipboard short-wavelength transmitters. The U.S. Navy Department Bureau of Engineering conducted experiments on battleships and on Texas, confirming the lighting of electric lamps between turrets and gun breeches, ignition of primers, lighting of aircraft navigation lights, and other effects; as a result, a rear admiral and the Chief of Naval Operations, an admiral, issued instructions to alter antenna placement, distribute investigation apparatus, and prohibit transmissions above 4000 K.C. during refueling and at other times. Publication information: April 1, Shōwa 5; notation dated 1930.2.26. Keywords: U.S. Military Bulletin, short-wavelength transmitter, induced current, Texas, U.S. Navy Department Bureau of Engineering, Naval General Staff Third Section, turret, aircraft, heliumAuto-generated by Azure OpenAI gpt-5.5 from OCR text (which may contain errors) and image captions.
Item ID: 350be457-0711-43a9-b09d-f6fe0c50e962
Catalogue ID: 40270101
Card catalogue: "Danger of Shipboard Short-Wavelength Transmitters"
Doc type: 米国軍事彙報
Category: 軍艦構造:その他
Issued: 1930-02-26
Extent: Type | 2 sheets
Holder: 東京大学柏図書館
Year registered: 2007
GCV entities: Document / Book