204 THE BELL SYSTEM TECHNICAL JOURNAL, JANUARY 1951 



18. J. R. Carson, "Theory of the Transient Oscillations of Electrical Networks and 



Transmission Systems," Trans. A.I.E.E., Vol. XXXVIII, 1919, p. 345. 



19. J. H. Bell, R. B. Shanck and D. E. Branson, "Metallic Polar-Duplex Telegraph 



System for Cables," Trans. A.I.E.E., Vol. XLIV, 1925. 



20. B. P. Hamilton, H. Nyquist, M. B. Long and W. A. Phelps, "Voice-Frequency Carrier 



Telegraph Systems for Cables", Trans. A.I.E.E., Vol. XLIV, 1925. 



21. A. L. Matte, "Advances in Carrier Telegraph Transmission," B. S.T.J. , April, 1940. 



22. R. B. Shanck, "Neutralization of Telegraph Cross Fire," B.S.T.J., July, 1926. 



23. H. D. Arnold and G. W. Elmen, "Permalloy, An Alloy of Remarkable Magnetic 



Properties," Journal of the Franklin Institute, Vol. 195, 1923. 



24. W. J. Shackelton and I. G. Barber, "Compressed Powdered Permalloy, Manufacture 



and Magnetic Properties," Trans. AJ.E.E., Vol. 47, 1928, p. 429. 



25. W. H. Martin, "Transmitted Frequency Range for Telephone Message Circuits," 



B.S.T.J., Vol. IX, July 1930. 



26. V. E. Legg and F. J. Given, "Compressed Powdered Molybdenum-Permalloy for 



High-QuaUty Inductance Coils," Bell System Technical Journal, Vol. XIX, 1940, 

 p. 385. 



27. J. E. Ranges, "Loading The Spiral-4 for War," Bell Labs. Record, Oct. 1946. 



28. A. B. Clark and B. W. Kendall, "Carrier in Cable," B.S.T.J., July 1933. 



29. C. W. Green and E. I. Green, "A Carrier Telephone System for Toll Cables," B.S.T.J., 



Jan. 1938. 



30. S. G. Hale, A. L. Qumlan and J. E. Ranges, "Recent Improvements in Loading Ap- 



paratus for Telephone Cables," Trans. A.I.E.E., Vol. 67, 1948. 



31. A. B. Clark and C. W. Green, "Long Distance Cable Circuits for Program Trans- 



mission," Trans. AJ.E.E., Vol. 49, 1930, p. 1514. 



32. M. A. Weaver, "The Long Struggle Against Cable Crosstalk," Bell Telephone Quar- 



terly, Jan. 1935. 



