36 



REGULAR SERIES 



657 A Method for -Converting the British © Coefficient Based on the 



Proude "0" Values to a © Coefficient Based on the Schoenherr 

 Prictional Formula, by M. Gertler. Jul 19^8. 7 pp. , 2 figs. 

 Rev. ed. Jun 1949. 7 PP- > 2 figs. 



658 Model Tests to Compare Characteristics of Alternate Sterns of a 11 0- 



Poot Ex-Sub-Chaser, by P.S. Cauldwell. Aug 19^8, 10 pp., 9 figs. 



Distributed only upon authorization of Linton Rigg and Company. 



659. Design and Development of the NAJ Beacon Mark 1 and Mark 2, by Robert 



P. Hill. Nov 19^8. 2k pp., 16 figs. 



660. Scale Effect on Model Propellers, by J.G. Hill. Jul 19^8. 8 pp., 3 



figs. 



661 . An Analysis of Cable and Housing Requirements for a Deep-Tovred Body at 



High Speed, by Leonard Pode. Nov 1948. 9 PP- , 1 fig- 



662. Notes on Turbulence-Stimulating Devices Used for Model Tests at the 



David Taylor Model Basin, by R.B. Couch. Aug 1948. 8 pp., 3 figs. 



663. The Determination of Prictional Resistance, by Dr. P.H. Todd. Aug 



1948. 9 pp. , 2 figs. Rev. ed. Mar 1949. 8 pp. , 2 figs. 



664. Patigue Tests of Grousers for Amphibian Tractors ^ by Glover B. Mayfield. 



Oct 1948. 6 pp. , 6 figs. 



665. A Diaphragm-Type Gage for Measuring Low Pressures in Pluids, by Edward 



V/enk, Jr. Jan 1950. 17 PP- > 4 figs, 



666. Proposed Methods of Reducing the Cable Load and Tension of High-Speed 



Towing Targets, by John Plum. Sep 1948. 32 pp., 13 figs. 



667. Resistance and Stability Tests of the Woods Hole Oceanographic Institu- 



tion Current -Indicator Buoys, by R.A. Ebner. Nov 1948. 19 pp., 

 19 figs. 



668. Water Tunnel Investigations of Steady State Cavities - A Progress Report 



Prepared for Presentation at the Seventh Underwater Ballistics Confer- 

 ence, by Phillip Eisenberg and Hartley L. Pond. Oct 1948. 20 pp., 

 8 figs. 



669. Analysis of Comparative Model Tests of Aquaflow and Smooth Bottom 



Planing Hulls, by J.H. Curry and Jack Posner. Oct 1948. 40 pp., 



29 figs. Distributed only upon authorization of the Miohigamme Syndicate, Bay City, 

 Michigan. 



670. The Measurement of Turbulence in V/ater - A Progress Report Prepared 



for Presentation at the Seventh Undervfater Ballistics Conference, 

 by M.S. Macovsky. Oct 1948. 18 pp., 9 figs. 



671 . Resistance and Propulsion Characteristics of the American Shipbuilding 



Corporation 660-Poot Ore Carrier As Predicted from Tests viith Model 



4098, by W.H. Roundy. Nov 1948, 30 pp., I7 figs. Distributed only upon 

 authorization of the American Shipbuilding Corporation. 



