Instrument, developed over period of years by Kelvin and Hughes, transmits ultrasonic sound impulses through water; time taken in hunting whale can be decreased and chances of successful kill increased so that operating costs may be reduced; it consists of electro-acoustic transducer, pulse generator and receiver, motor alternator and control cabinet and console unit. (See also - Engineer v 194 n 5054 Dec 5 1952 p 756-7; Shipbldg and Shipg Rec v 80 n 23 Dec 4 1952 p 733-4; Engineering v 175 n 4538 Jan 16 1953 p 90-1; Shipbldr and Mar Eng Bldr v 60 n 534 Feb 1953 p 116-7; Mar Engr and Naval Architect v 76 n 914 Mar 1953 p 119-21)
Echo whale finder
Brit Motor Ship
British Motor Ship ; 33 , n 394
1953
Article (Journal)
English
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Engineering Index Backfile | 1952
Engineering Index Backfile | 1953
Engineering Index Backfile | 1952
Engineering Index Backfile | 1953
Engineering Index Backfile | 1953