E- SERIES 



292. (Aero 696). Wind-T-uxinel Test of Multiple Frequency Antenna^ AN/UPA-2. 



May 1950. 11 pp., 10 figs. 



293. (Aero 697). Lift and Drag Coefficients for Various Types of Radar 



Antenna Screens. Feb I95I. 8 pp., 5 figs. 



29ii. Investigation of null Vibration of USCGC PONTCEARTMIN (WG70), by 

 E,B. Allnutt. Aug 19it-6. 9 PP-; 6 figs. 



295. Measurements of Strain in the Radial Webs of the Base Rings of the 



Mark-57 G-on Director, by E. Wenk, Jr. Jan 19^+6. 1^^ pp., k figs. 



296. Progress Report oh Underv^ater Explosion Research - Bureau of Ships 



System EI39. Apr 19h'^. 



Part 2k - Analysis of the Explosion Damage from Two Small Charges 

 Fired against the Hull of a Liberty Ship, by Dr. G.E. Hudson and 

 Dr. M.A. Greenfield, pp. 1-15, figs. 1-15. 



Part 25 - Energy Absorption of Steel Plates of Different Thicknesses 

 under Dynamic or Static Loading, by A.R. Cohen, Chief Specialist (X), 

 USNR, and B. Stiller, Specialist (X) l/c, USNR. pp. I6-23, figs. 

 17-22. 



Part 26 - The Resistance of Thick Fused-Quartz and Plastic Plates to 

 Static and Underwater Explosion Pressures, by J.J. Donoghue, C.T. 

 Johnson, and R.G. Hill. pp. 2^1-58, figs. 23-25. 



298. Measurements of Strains in the Cylindrical Gun Foundations of the USS 



SARSFIELD (DD837), hy E. Wenk, Jr. Sep 19k6. 14 pp., 8 figs. 



299. (Aero 698) . Aerodynamic Forces and Moments for M/UFA-k Antenna and 



Pedestal at Several Wind Speeds. Dec 19^+8. 27 pp., 23 figs. 



302. (Aero 699). Wind Tunnel Tests on Stabilizing Shields of Signal and 



Homing Lights for Aircraft Carriers, by J. Norman Fresh. May 19^5. 

 17 pp., 10 figs. 



303. Free-Fall Test of a Model of the Gate of an ARD12-Class Floating Dry- 



dock, by M. Gertler. Aug l^kS. 25 pp., 1^ figs. 



11-15 



