Division. The report covers work from May 1960, at Guam, 

 through January 1961, at the Navy Electronics Laboratory, 

 and was approved for publication 18 August 1961. 



Grateful acknowledgment is made to E. W. Hutchison and 

 Charles Hill of the U. S. Navy Electronics Laboratory, who 

 designed the battery box used during Project NEKTON II, 

 designed and constructed the test casings used in the tests 

 presented in this report, and, along with C. M. Adams, EMI, 

 were responsible for the major portion of the supervision of 

 those tests. Thanks are also due A. B. Rechnitzer, LCDR 

 R. D. Plunkett, and LT Don Walsh for their assistance in 

 the tests and for a critical review of this report. 



Previous NEL publications dealing with the bathyscaph and 

 its operation are the following: 



NEL Report 941, The 1957 Diving Program of the Bathyscaph 

 TRIESTE , by A. B. Rechnitzer, 28 December 1959. UN" 1 

 CLASSIFIED 



NEL Report 956, Evaluation of the Control Characteristics 

 of Bathyscaph Ballast , by R. K. Logan, 11 February 1960. 

 UNCLASSIFIED 



NEL Report 1030, Investigation of Window Fracture in 

 Bathyscaph , by J. C. Thompson, R. K. Logan, and R. B. 

 Nehrich, 20 March 1961. UNCLASSIFIED 



