case as in figure 2 and notching the rim. 

 For use on fishing gear, care should be taken 

 that the weight supported by the clock shaft 

 (the clock housing and stylus) is kept as 

 light as possible. 



ACKNOWLEDGMENTS 



design and construction problems are grate- 

 fully acknowledged. 



LITERATURE CITED 



HESTER, FRANK J. 



1961. Tuna seines: How deep? Pacific Fish- 

 erman, vol. 59, no. 12, p. 19-20. 



Suggestions by George Hammond of Scripps 

 Institution of Oceanography, Jack Chaffey of 

 Chaffey's Machine Shop in San Diego, and 

 Marine Advisers, Inc., of La JoUa concerning 



McNEELY, RICHARD L. 



1961. Purse seine revolution in tuna fish- 

 ing. Pacific Fishermen, vol. 59, no. 7, 

 p. 27-58. 



MS #1243 



GPO 83S940 



