ACOUSTIC MINES
Mastered By Experimental Craft (Rec. 10.2). LONDON, Sept. 10. The “Dally Express” says that a strange experimental craft, which went to sea making queer noises, has helped to master the acoustic mine, which never claimed as many victims as the magnetic mine. The acoustic mine contains a delicate mechanism, called a trembler, which is tantamount to a mechanical ear listening for the, beat of a propeller. When the sound reaches a certain pitch, the mine „explQdfis..
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Bibliographic details
Timaru Herald, Volume CL, Issue 22065, 11 September 1941, Page 5
Word Count
78ACOUSTIC MINES Timaru Herald, Volume CL, Issue 22065, 11 September 1941, Page 5
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