CONTRIBUTORS TO THIS ISSUE 325 



phone repeaters and on the development and manufacture of submarine 

 telegraph and telephone cables. 



C. H. G. Gray, B.Sc, Massachusetts Institute of Technology, 

 1918; Instructor in Electrical Engineering, Massachusetts Institute of 

 Technology, 1918-19; Engineering Department, Western Electric 

 Company, 1919-25; Bell Telephone Laboratories, 1925-. Mr. Gray 

 has been engaged in the development and application of machine 

 testing methods for the inspection of transmitters and receivers. 



Gordon R. Harris, B.S., Carnegie Institute of Technology, 1927; 

 Bell Telephone Laboratories, 1927-. Mr. Harris has been engaged 

 in the development of filters for carrier telephone and telegraph 

 systems. 



A. H. Inglis, B.A., Yale University, 1914; Western Electric Com- 

 pany, 1914-17; American Expeditionary Forces, 1917-19; American 

 Telephone and Telegraph Company, Department of Development and 

 Research, 1919-. Mr. Inglis has been engaged principally in the 

 development of telephone instruments and sets. 



R. T. Jenkins, B.S. in Electrical Engineering, Cooper Union, 1917; 

 E.E., 1920. Engineering Department, Western Electric Company, 

 1916-25; Research Department, Bell Telephone Laboratories, 1925-. 

 Mr. Jenkins' work has been largely in connection with transmission 

 testing methods and apparatus, and with electro-acoustic calibrations. 



W. C. Jones, B.S. in E.E., Colorado College, 1913; Western Elec- 

 tric Company, 1913-25; Bell Telephone Laboratories, 1925-. As 

 Transmission Instruments Development Engineer, Mr. Jones has 

 specialized in the development and application of instruments for the 

 transmission of speech and music. 



H. Kress, M.E., Staatliche Hoehere Maschinenbauschule, Frank- 

 furt Am Main, 1926. After graduation, Mr. Kress engaged in engi- 

 neering work in Germany. In 1929, he joined the Western Electric 

 Company as a development engineer and his work has dealt principally 

 with textile insulated wire. 



E. B. Wood, B.S., Princeton University. 1915; M.A., Princeton, 

 1916; Teaching Staff, Cascadilla School, 1916-17; Captain, Coast 

 Artillery Corps, U. S. Army, 1917-19; Teaching Staff, Pratt Institute, 

 1919-20; Engineering Department, Western Electric Company, 1920- 

 25; Bell Telephone Laboratories, 1925-. Mr. Wood's work has 

 been connected mainly with the development of central office wire 

 and cable and humidity testing equipment. 



