6k 



TRANSLATIONS 



IkS. Rise of Gas Bubbles in Liquids [Das Aufsteigen von Gasblasen in Pliissig- 

 keiten], by P. Pickert. Porschung auf dem Gebiete des Ingenieurwesens 

 (B), Vol. 3, Nov/Dec 1932, pp. 308-309. Translated by P. A. Raven. 



Unpublished. '^I- pp., 1 fig. Reference copy available only in TMB Library. 



147. On the Dispersion of Supersonic Vibrations in Liquids [tJber die Disper- 



, sion des Ultraschalls in Pliissigkeiten] , by A.K. Dutta. Physikalische 

 Zeitschrift, Vol. 3Q, No. 5, 1 Mar 1938, pp. 186-187. Translated by 

 P. A. Raven. Oct 19i+9. 5 PP-, 1 fig-. 



148. On the Coefficient of Temperature of Quartz Plates for Longer VJaves 



[fiber den Temperaturkoeff izienten von Quartzplatten fiir langere 

 V/ellen], by I. Koga. Elektrische Nachrichten-Technik, Vol. 12, 

 No. 1, Jan 1935, 2 pp. Translated by P. A. Raven. Unpublished. 



3 pp. Reference copy available only in TMB Library. 



14-9. The General Electric Slow-Motion Camera, an Instrument for Recording 



Phenomena of Highest Speeds at Rates of 80,000 do;m to 16 Images/Sec 

 [AEG-Zeitdehner, Das Pilm-Aufnahmegerat fiir Schnellste Vorgange, 

 80,000 bis 16 Bilder in der Sekunde, Allgemeine Elektricitats- 

 Gesellschaft ]. Allgemeine Elektricitats-Gesellschaft Technisch- 

 Physikalische Werkstatten, Sep 1942, 4 pp. Translated by P. A. Raven. 

 Apr 1949. 7 pp. , 6 figs. 



150. Shielding Electrodes to Produce Tough Weld Seams [Ummantellung der Elek- 



troden zwecks Erhaltung einer zahen Schweissnaht]. Digest Elektro- 

 technische Zeitschrift, Vol. 56, No. 34, 22 Aug 1935, p. 50. 

 (Avtogennoe Delo, 1 Q35 , Vol. 2.) Translated by P. A. Raven. Unpub- 

 lished. 2 pp. Reference copy available only in TMB Library. 



151. Electrographic Oscillograph [Elektrographlscher Oszillograph]. A 



digest in VDI-Zeitschrift , Vol. 81 , No. 31, 31 Jul 1937, pp. 922- 

 923. Translated by P. A. Raven. Unpublished. 3 PP. , 2 figs. Reference 



copy available only in TMB Library. 



152. Calculation and Construction of Oscillograph Loops [Berechnung und 



Konstruktion von OszillographenschleifenJ. VDI-Zeitschrift, Vol. 

 8l , No. 28, 10 Jul 1937, p. 847. Translated by P. A. Raven. Unpub- 

 lished. 2 pp. , 2 figs. Reference copy available only in TMB Library. 



153. On an Instrument to Measure and Record Sea Waves [fiber ein Gerat zur 



Messung und Aufzeichnung des Seeganges], by Wilhelm Pabst. 

 Zeitschrift fiir Plugtechnik und Motorluftschiffahrt , Vol. 24, 

 1933, pp. 598-600 and 616-619. Digest by G. Braun. Zentralblatt 

 fiir Mechanik, Vol. 1, No. 9, 1934, p. 385. Translated by P. A. Raven. 



Unpublished. 1 p. Reference copy available only in TMB Library. 



154. Time Recording Device for Motion Picture Photographing [Kino-Zeitbild- 



Aufnahmeeinrichtung] , by Priedrich Beck. Die Kinotechnik, Vol, 12, 

 No. 4, 20 Peb 1930, pp. Q8-99. Translated by P. A. Raven. Unpub- 

 lished. 1 p. , 4 figs. Reference copy available only in TMB Library. 



