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Journal of the Society of Motion Picture Engineers ( Volume: 36, Issue: 5, May 1941)
SMPTE • Journal Article • [Active]
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- 1. Harrison H. C. : U. S. Pat. applied for.EXTERNAL
- 2. Legg V. E. : “Survey of Magnetic Materials and Applications in Telephone Systems,” Bell Syst. Tech. J. (July, 1939 ), p. 438 .EXTERNAL
- 3. Wegel R. L. : “Theory of Magneto-Mechanical Systems as Applied to Telephone Receivers and Similar Structures,” J. A. I. E. E. , XL (Oct., 1921 ), p. 791 .EXTERNAL
- 4. Johnson K. S. : “Transmission Circuit for Telephonic Communication,” D. Van Nostrand & Co. ( 1927 ), p. 237 .EXTERNAL