﻿Report of the Graduate School 



95 



39. Photographing sound. Sci. Am. Sup., Vol. LXXV, No. 1937, pp. 108- 

 111. Feb. 15, 1913. 



49. A simple method of harmonizing Leyden jar discharges. Proc. Ind. 

 Acad. Sci. for 1915, pp. 305-306. 1916. 



41. Conservation and civilization. Proc. Ind. Acad. Sci. for 1914, pp. 



133-143. 1915. 



42. The velocity of sound waves in tubes. Proc. Ind. Acad. Sci. for 1918, 



pp. 205-213. 1919. 



43. The speed of sound pulses in pipes. Phys. Rev., N.S., XIV, No. 2, 



pp. 143-151. Aug., 1919. 



44. The relative velocity of sound waves of different intensity. Proc. Ind. 



Acad. Sci. for 1915, pp. 299-306. 1916. 



45. Biography of Luther Dana Waterman. Proc. Ind. Acad. Sci. for 1918, 



pp. 214-220. 1919. 



46. A new method of measuring the speed of sound pulses near the source. 



Proc. Ind. Acad. Sci. for 1918, pp. 221-224. 1919. 



47. A photographic method of finding the instantaneous velocity of spark 



waves. Phys. Rev., N.S., XVI, No. 5, pp. 449-463. Nov., 1920. 



48. Photographic method of finding the instantaneous velocity of sound 



waves near their source (abstract). Proc. Nat. Acad. Sci., VI, pp. 

 310-312. June, 1920. 



Rolla Roy Ramsey, Professor of Physics. 



A.B., Indiana University, 1895 ; A.M., 1898; Ph.D., Cornell University, 1901. 



1. A photographic study of electrolytic cells. Phys. Rev., IX, p. 189. 



1899. 



2. Eine photographische Untersuchung elektrolytischer Zellen. Physi- 



kalische Zeitschrift, I, p. 269. 1900. 



3. The effect of gravity and pressure on electrolytic action. Phys. Rev., 



XIII, pp. 1-30, 17 plates. 1901. 



4. Die Wirkung von Schwere und Druck auf die elektrolytischen Vergange. 



Phys. Zeitsch., Ill, pp. 177-182. 1902. 



5. On the use of manganese dioxide in the generation of oxygen from 



potassium chlorate. Proc. Ind. Acad. Sci. for 1902, pp. 89-91. 1903. 



6. The change of volume in Clark and cadmium cells and its relation to 



the change of electromotive force due to pressure. Phys. Rev., 

 XVI, p. 105. 1903. 



7. An investigation of N-rays. (With W. P. Haseman.) Proc. Ind. 



Acad. Sci. for 1904, p. 255. 1905. 



8. The radium clock. Proc. Ind. Acad. Sci. for 1905, p. 40. 1906. 



9. A simple method of measuring electrolytic resistance. Proc. Ind. 



Acad. Sci. for 1905, p. 115. 1906. 



10. Some peculiarities of electric sparks across short spark gaps. Proc. 



Ind. Acad. Sci. for 1905, p. 117. 1906. 



11. Gas burners and standards of candle power. (With Hiromitsa Oi.) 



Proc. Ind. Acad. Sci. for 1905, p. 117. 1906. 



