REGULAE SERIES ' 



811. The Eeciprocity Calibration of Piezoelectric Accelerometers, by Mark 



Harrison, A.O. Sykes, and Paul G. Marcotte. Mar 1952. 17 pp., 

 10 figs. Eevlsed Edition with Supplement by E.J. Stove and E.L. 

 Bort. Aug 1955o 58 pp., 18 figs. 



812. (NS 715-08^4-). Preliminary Experimental Investigation of Slamming, by 



Victor G. Szebehely, Dr. Eng., and Samuel E. Brooks. Jul 1952. 

 17 pp., 6 figs. 



815. (NS 731-057). Application of Statistics to the Presentation of Wave 



and Ship-Motion Data, by Alice W. Mathewson, Feb I955. 27 pp., 10 figs, 



81^4-. A Sensitive Vertical Displacement Seismometer, by George W. Cook, 

 Apr 1952. ^ pp., 26 figs. 



815. An Experimental Study of Single Bubble Cavitation Noise, by Mark 



Harrison, Ph.D., Nov I952 21 pp., 11 figs. (Eevised Edition) 



816. (NS 712-100). Experiments vith an Impact Vibration Damper, by E.T. 



McGoldrick. May 1952. 15 PP., ^ figs. 



817. Effective Horsepower Predictions for Maritime Administration Tanker 



Design PD5i(-, Model i*-580W, by M.S. Harper and J.Z. McArdle. Jan 



1952' 9 PP'^ ^ figs. Distributed only upon authorization of U.S. Maritime Administration. 



818. The Use of Helical Springs as Noise Isolation Mounts, by Alan 0. Sykes. 



Feb 1952. 23 pp., 11 figs. 



819. The Pitching Moment Acting on a Body of Eevolution Moving under a Free 



Surface, by Hartley L. Pond. May I952 20 pp., 1 fig. 



820. (NS 715-086). Model Test Eesults and Predicted EHP for the Huron -Eddy 



Company Eevised Q^-Foot Crash-Eescue Boat Design, by E.P. Clement, 

 Geo. B. Springston, Jr., and J.H. Curry. Mar 1952. 13 pp., ^ figs. 



Distributed only upon authorization of Bureau of Ships. 



821. (NS 712-100). Vibration Machines at the David W. Taylor Model Basin, 



by Q.E. Eobinson. Jul 1952. 65 pp., 26 figs. 



1-56 



