Principle of echo sounding; systems of transmitters and receivers; time measurement. (See also - discussion p 227-30 and pt 5 Mar p 231-7; Engineering v 161 n 4177 Jan 31 1936 p 135-6)
Echo-sounding equipment for ships
Instn Engrs Shipbldrs Scotland -- Trans
1936
20 pages
Article (Journal)
English
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