486 BELL SYSTEM TECHNICAL JOURNAL 



subscriber, greater margin in the operation of two-way radio telephone 

 circuits and a reduction of difficulties in the wire plant caused by 

 connection to noisy radio circuits. 



References 



1. "Speech and Hearing," H. Fletcher, D. Van Nostrand Co., 1929. 



2. "Effects of Phase Distortion on Telephone Quality," J. C. Steinberg, Bell Sys. 



Tech. Jour., July, 1930. 



3. " Ship-to-Shore Radio in Puget Sound Area," E. B. Hansen, Elec. Engg., Vol. 24, 



No. 8, August, 1935. 



4. "A Telephone System for Harbor Craft," W. K. St. Clair, Bell Laboratories 



Record, November, 1932. 



5. "A Noise Reducer for Radio Telephone Circuits," N. C. Norman, Bell Labora- 



tories Record, May, 1937. 



6. "The Reliability of Short-Wave Radio Telephone Circuits," R. K. Potter and A. 



C. Peterson, Jr., Bell Sys. Tech. Jour., July, 1934. 



7. "Two-Way Radio Telephone Circuit," S. B. Wright and D. Mitchell, Bell Sys. 



Tech. Jour., July, 1932. 



8. "The Vodas," S. B. Wright, this issue of the Bell Sys. Tech. Jour.; Elec. Engg., 



August, 1937, 



