45 



(5) "Characteristics of the NRL Mark 3 Boat-Type Buoy and Deter- 

 mination of Mooring-Line Sizes," by Ensign P. Eisenberg, USNR, TMB Report 

 550, September 1945. 



(6) "Preliminary Tests in the NACA Tank to Investigate the Funda- 

 mental Characteristics of Hydrofoils," by Kenneth E. Ward and Norman S. Land, 

 NACA ACR, September 1940. 



(7) "Modern Developments in Fluid Dynamics," edited by S. Goldstein, 

 Vol. 1, Oxford University Press, 1938. 



(8) "Uber eine experimentell beobachtete Erscheinung an Wirbel- 

 rlngen bei ihrer translatorischen Bewegung in wirklichen Flussigkeiten" (On 

 Experimentally Observed Phenomena on Vortex Rings and Their Translatory 

 Motion in Ordinary Liquids), by Carl-Heinz Krutzsch, Annalen der Physik, Vol. 

 35, Series 5, 1939- 



(9) Bureau of Ships plan 455U32, "O" Type Mine Sweep Size No. 4 - 

 Arrangement and Details of Mark 3 Float, dated 21 June 1941. 



(10) "Measurements of Plow in the Boundary Layer of a l/40-Scale 

 Model of the U.S. Airship AKRON," by Hugh B. Freeman, NACA Report 430, 

 April 27, 1932. 



(11) "Progress Report on the Lateral Vibrations of Circular Cylin- 

 ders Caused by Motion Through a Fluid," by L. Landweber and G. Grimminger, 

 TMB Pile C-SS/S24-9, January 1940. 



The following reports were prepared by the Industrial Test Labora- 

 tory, Navy Yard, Philadelphia, Pa,, on tests of various waterproofing and 

 fireproof Ing materials for balsa -wood life rafts: 



(12) "Proposed Tests of Floats for Buoyant Life Nets," ITL Report 

 1410, 30 September 1943. 



(13) "Test of Balsa Life Raft Coating for Balsa Wood Life Rafts," 

 ITL Report 1220-B, 12 January 1943. 



(14) "Buoyant Life Net Floats," ITL Report 1610, 5 October 1943. 



(15) "Synthetic Plasoleum Covered Balsa Life Floats," ITL Report 

 1639, 28 August 1943. 



(16) "Proposed Balsa Wood Alternate for Floater Net Floats," ITL 

 Report 1510, 29 July 1943. 



(17) "Proposed Natural Plasoleum Cement Coating for Life Floats," 

 ITL Report 1456, 17 December 1943. 



