"0 " RING GROOVE 

 .120" 



r 



' RING GROOVE 

 120" 



4.S00 I. D. 



S.2S0 I. D. 



5 STO. WI. 

 -6061 ALUMINUM PIPE 



-H»1t 



STAINLESS ALLEN CAP 



<CREV*S ONI 6j B.C 



-NATIONAL 0" RING 623024 



NATIONAL RING '623030 



Figure 25. — Engineering drawing for underwater TV camera housing. 



3 J"!-. 



STAINLESS ALLEN CAP 

 SCIIBWS ON 6t B. C. 



ticular TV camera. Such a cable is difficult 

 to handle, not only because of its bulk and 

 unwieldiness, but also because each of the 

 conductors represents a separate potential 

 source of mechanical and electrical failure. 

 Newer closed-circuit TV systems are avail- 

 able which require only three conductors. 



LITERATURE CITED 



BULLIS, HARVEY R., JR. 



1961. A progress report on experimental 



fishing for sardine-like fishes in the 

 Gulf of Mexico. Proceedings of the 

 Gulf and Caribbean Fisheries Insti- 

 tute, Thirteenth Annual Session, Nov- 

 ember 1960, p. 94-97. 



THOMPSON, JOHN R. 



1959. Exploratory fishing for sardine-like 

 fishes in the Gulf of Mexico. Proceed- 

 ings of the Gulf and Caribbean Fisher- 

 ies Institute, Eleventh Annual Session, 

 November 1958, p. 38-40. 



MS # 1341 



15 



