The submarine in war and peace; its developments and its possibilities (1918)
Lake, Simon, 1866-1945 · Philadelphia, London, J.B. Lippincott company · leaf 56
to approach a sur-face war vessel at night without great danger of beingdiscovered and destroyed. Invisible Conning Tower.—For night observation ithas been proposed to use transparent conning towers builtof clear glass, in which the commander takes his station andjust sticks his head above the… … THE VOICE AND EAR OF THE SUBMARINE A Fessenden oscillator, before being installed. The flange of the oscillator isriveted to the shell of the ship and its diaphragm is caused to vibrate by the soundwaves, which pass through water more distinctly than they do through the air.To send out signals it…
Submarines (Ships)
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