TRANSLATIONS 



115. Disperse Gases, III: Bubble Size and Time of Rise [Disperse Gase III: 



Blasengrosse und Aufstiegzeit] , by W. Luchslnger. Kolloid-Zeltschrift, 

 Vol. 81, No. 2, Nov 1937, PP- 180-182. Translated by F.A. Raven. Un- 

 published. 5 PP-> 2 figs. Reference copy available in TMB Library. 



116. Pressure Distribution on Gable and Hip-Roofs [Druckverteilung an Glebel- 



und Walmdachern] , by Prof. Dr.-Ing. H. Muller. Der Bauingenieur, Vol. 

 20, No. 25/26, 30 Jun 1939, pp. 3'+3-3'+7. Translated by B.A. Wiener. 

 Nov 1939. 10 pp. , 10 figs, 



117- Concerning an Instrument for Determining the Pressure and the Direction 

 of Velocity in a Fluid [Sur un appareil permettant de determiner le 

 module et la direction de la Vitesse dans un fluide], by J. Karape de 

 Feriet, A. Martinot-Lagarde, and G. Rollin. Excerpt from Comptes Ren- 

 dus des Seances de I'Academie des Sciences, Meeting of Nov 1938. 

 Translated by M.C. Roemer. Jan 19^3- ^ PP- 



nS. Experimental Determination of the Hydrodynamic Increase in Mass in 



Oscillating Bodies [Die experimentelle Bestimmung des hydrodynamlschen 

 Massenzuwachses bei Schwingkorpern] , by Rolf Brahmig. Schiffbau, 

 Schiffahrt und Hafenbau, Vol. 41, No. 11, 1 Jun 19^0, pp. 1 59-1 63, and 

 No. 12, 15 Jun 19^0, p. 173. Translated by F.A. Raven. Nov 19'+3. 22 

 pp., 8 figs. 



119. Canceled. 



120. Recent Applications of the Piezo-Electric Measuring Methods in Ballis- 



tics TNeuere Anwendungen des piezoelectrischen Messverfahrens in der 

 Ballistik], by H. Illgen. Zeitschrift fur technische Physik, Vol. I8, 

 No. 11, Nov 1937. Translated by F.A. Raven. Oct 19^3. 6 pp., 6 figs. 



121. Multiple-Spark Photography of Explosive Phenomena by Toepler's Shimmer 



Method [Mehrfachfunkenaufnahmen von Explosionsvorgangen nach der Toep- 

 lerschen Schlierenmethode] , by Dr.-Ing. Werner Lindner. Forschungsar- 

 beiten auf dem Gebiete des Ingenieurwesens, Bulletin 326, Berlin, 

 1930, 18 pp. Translated by F.A. Raven and annotated by J.S. Brock. Un- 

 published, i, 35 PP", 31 figs. Reference copy available in TMB Library. 



122. Factors Affecting the Time and Fatigue Strength of Materials [Einflusse 



auf die Zeit- und Dauerfestigkeit der Werkstoffe], by Franz Bollen- 

 rath. Luftfahrtforschung, Vol. 17, No. 10, 1940, pp. 320-328. Trans- 

 lated by F.A. Raven. Apr 19'+^. 19 PP-, 24 figs. 



123. The "Singing" of Ships' Propellers [Das Singen von Schiffsschrauben] , by 



Dr.-Ing. Fritz Gutsche. VDI-Zeitschrlft, Vol. 8l , No. 27, 3 Jul 1937, 

 pp. 822-823. Translated by F.A. Raven. Unpublished. 4 pp., 2 figs. 



Reference copy available in TMB Library. 



124. Graphic Integrator and Differentiator for Ship Calculations [Graphischer 



Integrator und Differentiator fur Schiffsberechnungen] , by David L. 

 Evans. Werft-Reederei-Hafen, Vol. 18, No. 21, 1 Nov 1937, pp. 312-314. 

 Translated by M.C. Roemer. Nov 1942. 6 pp., 8 figs. 



125. On the Colloidal Physics of Disperse Gases jZur Kolloidphysik Disperser 



Gase], by Rudolph Auerbach. Zeitschrift fiir technische Physik, Vol. 

 19, No. 12, 1938. Translated by F.A. Raven. Jul I943. 3 PP. 



IV-12 



