50 



R- SERIES 



338. Performance of Controllable-Pitch Propellers on Trials of the USS 



DAHLGREN (DDI87), by C.R. Olsen. Aug 1948. 20 pp., 15 figs. Distn- 



buted only upon authorization of Bureau of Ships. 



340. Development and Performance of a Catamaran-Float Arrangement for Towing 

 a Portable Fathometer, by P. Eisenberg. Oct 19^7. 23 pp., 21 figs. 



345. A Twenty-Lens High-Speed Motion-Picture Camera Developed at the David 

 Taylor Model Basin, by Lt. (jg) N.T. Partch, USNR, and C.W. Wyckoff. 

 Jun 1948. 37 PP-. 24 figs. 



346. 



347. Tensile Tests of Small-Scale Welded Joints, by T.D. Tuft. Mar 1948. 



20 pp. , 8 figs. 



348. Underwater Explosion Tests of Simple Structures Fabricated with 



Everdur Brazing, by T.D. Tuft. Dec 1947- 29 pp., 20 figs. 



349. Static Structural Tests of Eleven Lightvreight Anchors, by J.G. McGinley. 



Jan 1948. 33 pp. > 11 figs. For distri-tution to Military establishments only. 



350. Constructive Suggestions and Inventions by Personnel in the Naval 



Establishment, a Reprint of ALNAV 227 dated 8 May 194-6. Sep 19^6, 

 5 PP- 



351. Operating and Service Manual for the TMB Type 1A Strain Indicator, 



by W.S. Campbell. Jul 1947- 32 pp., 19 figs. 



356. Instructions for Preparing Correspondence for Duplication by the 

 Ditto and DupliMAT Processes. Hay 1Q47. 6 pp. , 2 figs. 



365. The Diary of an Inspection Trip to Europe in October-December 1945. 



by Capt. H.E. Saunders. Jul 1947- 193 pp., 69 figs, 



366. Model-Basin Tests of Floats for Astern Fueling, by P. Eisenberg. 



Oct 1947. l6 pp. , 11 figs. 



