Cinderellas of the fleet . THE CIXDEKELLAS UF Till: 29. Several of the AI. were htted with paravanes—the ordinary type for cuttingmines adrift; the deadly explosive Q type for anti-submarine work. A pairof these most ingenious instruments are shown on either side of the deck. sufficiently accurate to enable them to tell within about two tlegreesthe direction of the approach of any sort of vessel and listeners becameso proficient that they were able to determine whether the soundsheard were those of a turbine engine, a reciprocating engine, a paddlewheeler, an M. L., a submarine on
Cinderellas of the fleet . THE CIXDEKELLAS UF Till: 29. Several of the AI. were htted with paravanes—the ordinary type for cuttingmines adrift; the deadly explosive Q type for anti-submarine work. A pairof these most ingenious instruments are shown on either side of the deck. sufficiently accurate to enable them to tell within about two tlegreesthe direction of the approach of any sort of vessel and listeners becameso proficient that they were able to determine whether the soundsheard were those of a turbine engine, a reciprocating engine, a paddlewheeler, an M. L., a submarine on the surface operating on herDiesel engine or a submarine submerged and driven by her electricmotors. These sounds were entirely different and in the confusioncaused by several at the same time the listener was trained to eliminateeverything but the sound of the submarine. Our own listening deviceswith which the Submarine Chasers were equipped, were somewhatmore elaborate than those of the M. and will be described later. Mine Laying and Sweeping Those wh
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Keywords: ., bookcentury1900, bookdecade1920, bookidcinderellaso, bookyear1920
