REGULAR SERIES 



52. Determination of Performance Characteristics of 1 A-Horsepower Portable 



Ventilating Set, Including the Determination of the Air-Carrying Prop- 

 erties of Canvas Hose. Jul 1922. 6 pp., 2 figs. 



53. Thornycroft Skimmer - Experiments with Model 23^+7 As a Seaplane Float. 



Jul 1922. 7 pp.. 5 figs. 



54. The U.S. Experimental Model Basin. Jul 1922. 7 pp. 



55. Determination of the Amount of Resistance to the Flow of Air Offered by 



Armor Gratings, When Used in Conjunction with Expansions and Contrac- 

 tions of Duct: Resistance Offered by 12 Inch x 5 Inch Venturl Tube. 

 Aug 1922. 26 pp., 16 figs. 



56. Resistance of Standard Wire Mesh Basket for Ventilation Terminals: Re- 



sistance of Wire Screen Cloth. Aug 1922. l^l pp., 7 figs. 



57. Report on Test of Surface Propellers. Aug 1922. l6 pp., 12 figs. 



58. Resistance of Granular Charcoal to the Flow of Air. Aug 1922. 10 pp., 



5 figs. 



59. VT Twin Floats - Report on Experiments with the Original Design and Modi- 



fications 1-U Inclusive. Aug 1922. I8 pp., 14 figs. 



60. VE-7 Seaplane Float - Report of Experiments with Model 2424. Sep 1922. 8 



pp., 6 figs. 



61 . Some Experiments on Propeller Positions and Propulsive Efficiency, by 



D.W. Taylor, Rear Admiral, USN. Sep 1922. l6 pp., 10 figs. 



62. River Gun Boat. Nov 1922. No complete report available. 



63. Stability Tests - Experiments with Models of Seaplane Floats and Flying 



Boats. Nov 1922. 13 pp., 12 figs. 



64. Report of Test of Vertical Steering Control of Model of German Submarines 



U-181-190. Dec 1922. 5 pp.. 3 figs. 



65. VT Twin Floats - 5th & 6th Modifications - Report of Experiments with 



Models 2457 & 2458. Dec 1922. 13 pp., 9 figs. 



66. Report of Tests of Propellers on Self Propelled Model of U.S.S. DELAWARE. 



Dec 1922. 10 pp., 8 figs. Distributed only upon authorization of N.W. Akimoff. 



67. UO-1 Seaplane Float - Report on Experiments with Models 2455 and 2456. 



Dec 1922. 11 pp., 9 figs. 



68. TS-1 Seaplane Floats (Twin) - Report of Additional Experiments with Model 



No. 2392. Jan 1923. 10 pp., 6 figs. 



69. Report of Rolling Experiments on Model No. 2375 - Representing U.S. Crane 



Ship No. 1. Mar 1923. 12 pp., 7 figs. 



1-4 



