E- SERIES 



2lU. Electronic Methods of Observation at the David W. Taylor Model Basin. 



Part 9 - A Photoelectric Time-Interval Meter for Instantaneous Veloc- 

 ity Meas\irements,by Lt . G. Robert Mezger, USKR. Mar 19i^ij-. 8 pp., 

 k figs. 



216. The Effect of Thrust Direction and Position on the Steering of Ships, 

 by Dr. K.E. Schoenherr. Jun 19^^^. 7 pp., 5 figs. 



220. The Procedure in the Preparation of Technical Reports at the David Taylor 



Model Basin. Dec I9J+5. 6 pp., 1 fig. 



221. Standard Reference Scales for V7ind, Weather, Sea and Swell. Jan I'^kh. 



5 pp., 1 fig. 



224. A Fairing for Reducing the Feather and Wake Produced by a Submarine 



Periscope at the Water Surface, by G. Grimrainger. Jun l^kk. 28 pp., 

 18 figs. 



225. Instructions for Typinig and Layout of Reports and Translations. Feb 



19i^-i^. 27 pp., ll*. figs. 



226. Method of Mechanical Impedance and the Electrical Analogy, by R.T. 



McGoldrick. Sep 19i^7. 21 pp., 5 figs. 



24-0. Dynamic and Static Compression Testing of 3/8-Inch Copper Balls, by 

 D.E. Abkowitz. Jul 19^+7- 22 pp., 10 figs. 



24l. Tests to Determine the Flooding Rate of the Tail Cone of the 525-Pound 

 Mark I7 Depth Bomb, by M. Kirstein. Oct IQhk. 10 pp., 10 figs. 



243. A Brief Study of the Plastic Behavior of Steel in Way of the Tensile 

 Fractures in a Group of Plate Specimens, by Capt . W.P. Roop, USN. 

 Jul 19UJ4-. 27 pp., li+ figs. 



2kh-. Progress Report on Underwater Explosion Research - Bureau of Ships 

 Symbol E139. Apr l^kk. 



Part 6 - Notes on the Shock in Ships Due to an Undervrater Explosion, 

 by Dr. E.H. Kennard. pp. l-J. 



Part 7 - A Family of Surfaces of Revolution Representing Shapes of 



Deformed Circular Diaphragms, by Dr. G.E. Hudson, pp. U-11, figs. 

 1-5. 



11-11 



