TRANSLATIONS 



18*1. On the Separation of Eddies or Vortices and Its Prevention [Uber Wirbel- 

 abl'osung und deren Verhlnderung ] , by Dr. L. Prandtl and Dr. A. Betz. 

 Ergebnlsse der Aerodynamlschen Versuchsanstalt zu Gbttlngen, 3rd Ed., 

 1927, pp. 6-9. Translated by F.A. Raven. Unpublished. 5 pp., 5 figs. 



Reference copy available in TMB Library. 



185. Ship Model Tests In the Circulating Water Channel [Schlffsmodellversuche 



Im Stromungsgerlnne], by Dr.-Ing. Hans Mueller. Schlffbau, Schlffahrt 

 und Hafenbau, Vol. 37, No.- 10, 25 May 1936, pp. 168-173. Translated by 



F.A. Raven. Unpublished. Rough draft in TMB translation file. 



186. Resistance of a Cylindrical Tube of Infinite Length, Closed at Both 



Extremities and Filled with Water under Pressure or Immersed In Water, 

 Its Generating Lines Being Horizontal and Its Transverse Section Hav- 

 ing a Vertical Axis of Symmetry [Reslstance^d'un tube cylindrlque de 

 longueur infinle, ferme a ses deux extremltes et rempll d'eau sous 

 pression ou Immerge dans I'eau, les generatrices etant horlzontales et 

 la section transversale ayant un axe de symmetric vertical], by M. 

 Simonot. Bulletin de 1 'Association Technique Maritime, Vol. 20, 1909, 

 pp. 247-263. Translated by F.A. Raven. Unpublished. 14 pp., 3 figs. 



Reference copy available in TMB Library. 



187. The Elln-Hafergut Method for Welding of Thin Metal Sheets [Das Elln- 



Hafergut Verfahren fur die Dunnblechschweissung] , by H. Hauser. Bul- 

 letin Schwelzerische Elektrotechnlsche Vereln, Vol. 19, 19^3, pp. 566- 

 569. Translated by R. Wldmer. Unpublished. 8 pp., 9 figs. 



Reference copy available in TMB Library. 



188. Erosion and Cavltatlonal Erosion [Erosion und Kavitations-Eroslon], by 



P. de Haller. Handbuch der Werkstoffprufung, Vol. 2, Die Priifung der 

 Metalllschen Werkstoffe, Julius Springer, Berlin, 1939, PP. 471-488. 

 Translated by R. Wldmer Apr 1951. 50 pp., 25 figs. 



189. Memoir on the Calculation of the Fatigue Strength of Submarine Hulls 



[Note sur le calcul des fatigues des coques de sous-marins], by Henry 

 Lecoq. Bulletin de 1 'Association Technique Maritime et ASronautlque, 

 Vol. 29, 1925, pp. 59-7'+ • Translated by F.A. Raven. Unpublished. 14 



PP . , 10 figs . Reference copy available in TMB Library. 



190. The AEQ Light-Flash Stroboscope [Das AEG-Llchtblltzstroboskop], The AEO 



Spark-Flash Apparatus FG6/I [Das AEQ-Funkenblitzgerat PQ6/I ] , AEQ Re- 

 port. VDI-Zeitschrlft, Vol. 87, No. 27/28, 10 Jul 1943, back cover; 

 No. 39AO, 2 Oct 19^3, back cover. Translated by F.A. Raven. 



2 PP . Reference copy available in TMB translation file. 



191' Report of the Qermanlawerft Respecting Explosion or Blast Tests on Hatch 

 Seal Locks [Erklarungen der Qermanlawerft zu den Sprengversuchen an 

 Lukenverschlussen] . United States Naval Technical Mission in Europe in 

 1944. Translated by F.A. Raven. Unpublished. 10 pp., 13 figs. 



Reference copy available in TMB translation file. 



IV -19 



