12 



REGULAR SERIES 



205. Tests of Toncan-Molybdenum Iron from Central Alloy Steel (Incorporated). 



Sep 1928. 8 pp. , 4 figS. Distributed only upon authorization of Central Alloy Steel 

 Corporation. 



206. 60-Inch Turret Stool Models Nos. 1-3 and 10-Inch Model No. 13- Oct 1928. 



59 pp., 34 figs. 



207. Design of Turret Foundations. Oct 1928. 24 pp., 3 figs. 



208. Mercury Racer Floats - MK. I. Lines (Bureau of Aeronautics Project 



#1874). NOV 1928. 10 pp., 7 figS. Distributed only upon authorization of Bureau 

 of Aeronautics . 



209. Keystone Aircraft Corporation, Bristol, Pa. - Flying Boat Hull. Nov 



1928. 9 PP- > " figS. Distributed only upon authorization of Keystone Aircraft 

 Corporation. 



210. Ventilation Tests - Entrance Loss to Branches. Jan 1929. 13 pp., 5 figs. 



211. L.M.A.L. Flying Boat Hull - Model Experiments. Dec 1928. 10 pp., 6 figs. 



212. Twin Float Seaplane - Effect of Varying the Float Spacing. Jan 1929. 



14 pp. , 9 figs. 



213. Design No. 67 Hull - Modified Lines, Model Experiments. Jan 1929. 11 



pp. , 6 figs. 



214. Rudder Tests with 10,000-Ton Cruiser Model. Feb 1929. 10 pp., 6 figs. 



215. PB-1 Flying Boat Hull - Experiments with a Model of - Bureau of Aero- 



nautics Project 1839. Feb 1929. 10 pp., 6 figS. Distributed only upon 

 authorization of Bureau of Aeronautics . 



216. Experiments with Model of V.E. Clark Flying Boat Hull. Mar 1929- 7 PP- > 



2 figS. Distributed only upon authorization of V.E. Clark. 



217- Sikorsky Flying Boat Hulls - Model Experiments. Mar 1929- 12 pp., 8 



figS. Distributed only upon authorization of Sikorsky Aviation Corporation. 



218. Keystone Aircraft Corporation - Giant Amphibian - Model Test. Apr 1929- 



l8 pp. , 10 figS. Distributed only upon authorization of Keystone Aircraft Corporation. 



219. Test of Steam and Water and Hot and Cold Water Mixing Valve. Apr 1 929- 



3 PP- 



220. 02U Airplane Floats, Mk. I & Mk. II - Model Experiments. May 1929- H 



pp. , 7 figs. 



221 . Lockheed Amphibian and Flying Boat Hulls, Experiments with a Model of. 



May 1929. 10 pp. , 5 figS. Distributed only upon authorization of Lockheed Aircraft 

 Company; 



222. 02U Airplane Float, Mk. I, Deep Vee Bottom, Experiments with Modified 



Model. May 1929- 7 PP- . 4 figs. 



223. Bu. Aero. Design #71 - 2nd Alternative Lines - Model Experiments. May 



1929. 13 PP-, 7 figs- 



