26 



REGULAR SERIES 



451 . Experiments with a Model of XS03C-1 Airplane Float - Bureau of Aeronaut- 

 ics Project 3307. Jun 1938. 9 PP- > 6 figs. Distributed only upon authorization 

 of Bureau of. Aeronautics. 



452. Compression Tests of Ship-Structure Assemblies, by John Vasta. Jun 1938. 

 21 pp., 15 figs. 



li-54. XS02U-1 Airplane Float - Pointed Step Type - Experiments with a Model 



of - Bu. Aer. Project No. 3315- Jul 1938. 9 PP- . 6 figs. Distributed only 



upon authorization of Bureau of Aeronautics. 



4-55. Preliminary XPBM-1 Hull Lines - Experiments with a Model of - Bureau of 

 Aeronautics Project No. 3266. Aug 1938. 10 pp., 6 figs. Distributed only 



upon authorization of Bureau of Aeronautics. 



456. XPBM-1 Hull Lines - Experiments with a Model of - Bureau of Aeronautics 



Project No. 336l . Sep 1938. 11 pp., 6 figs. Distributed only upon authorization 

 of Biireau of Aeronautics. 



iJ-57. The Elastic Stability of Tee Stiffeners, by D.F. Windenburg. Nov 1938. 

 l6 pp. , 5 figs. 



460. Tests of a Model in Restricted Channels, by L. Landweber. May 1939- 30 

 ■ pp., 19 figs. 



461 . XPBM-1 Hull Lines - Model Tests with Modified Step - Bureau of Aeronaut- 

 ics Project No. 336l . Jun 1939- 10 ??•> 6 figs. Distributed only upon authoriza- 

 tion of Bureau of Aeronautics. 



462. Design No. 142, Mark 1 Airplane Hull - Experiments with a Model of - Bu- 



reau of Aeronautics Project No. 3345- Sep 1939. 9 PP-, 6 figs. Dis- 

 tributed only upon authorization of Bureau of Aeronautics. 



463. Air Flow through Small Segments of Armor Gratings with Duct Approaches. 



Jan 1940. 11 pp., 4 figs. 



464. Design No. 180, Class VPB Airplane Hull - Experiments with a Model of - 



Bureau of Aeronautics Project 3365- Oct 1939- 9 PP-. 6 figs. Distributed 



only upon authorization of Bureau of Aeronautics . 



465. Design No. 154 Float - Experiments with a Model of - Bureau of Aeronaut- 



ics Project No. 3240. Nov 1939- 9 PP'> 6 figs. Distributed only upon authoriza- 

 tion of Bureau of Aeronautics. 



467. Service Strain Tests of Hull Structures - A Review of Work of the Exper- 



imental Model Basin to and Including the Year 1939> by Lt. Comdr. W. P. 

 Roop, USN. Jan 1940. 15 pp. 



468. Service Strain Tests - Technique and Procedure. Mar 1940. 27 pp. , 18 



figs. 



469. The Strength of Ship Plating under Edge Con^jression, by J.M. Prankland. 



May 1940. 28 pp., 13 figs. 



470. Interaction between Propeller and Hull, by Dr. K.E. Schoenherr and A.Q. 



Aquino. Mar 1940. 49 pp., 16 figs. 



