References

1. Definitions of Electrical Terms. 1941. (A.S.A. C42) A.I.E.E.

2. RADER, L. T., and E. C. LITSCHER. Some Aspects of Inductance when Iron is Present. Elec. Eng., March, 1944, Vol. 63, No. 3.

3. TERMAN, F. E. Radio Engineers' Handbook, First Edition. McGraw-Hill Book Co.

4. ELMEN, G. W. Magnetic Alloys of Iron, Nickel, and Cobalt. Elec. Eng., December, 1935, Vol. 54, Xo. 12.

5. LEGG, V. E. Survey of Magnetic Materials and Applications in the Telephone System. Bell System Tech. J., July, 1939, Vol. 18, No. 3.

6. Supermalloy. Bell Lab. Record, March, 1948, Vol. 26, No. 3.

7. MARTOWICZ, C. T. Powdered Iron Cores. Electronic Inds., June, 1945, Vol. 4, No. 6.

8. SHEA, H. G. Magnetic Powders. Electronic Inds., August, 1945, Vol. 4, No. 8.

9. BELLER, H., and G. 0. ALTMANN. Radio Frequency Cores of High Permeability. Electronic Inds., November, 1945, Vol. 4, No. 11.

10. WILLIAMS, C. S. Permanent Magnet Materials. Elec. Eng., January, 1936, Vol. 55, No. 1.

11. An Important New Magnetic Alloy. Bell Lab. Record, September, 1940, Vol. 19, No. 1.

12. ELMEN, G. W. Magnetic Properties of Perminvar. Bell System Tech. J,, January, 1929, Vol. 8, No. 1.

13. General Radio Experimenter, June, 1939, General Radio Co.

14. EVERITT, W. L. Communication Engineering. McGraw-Hill Book Co.

15. TUTTLE, W. N. The Series and Parallel Components of Impedance. General Radio Experimenter, January, 1946, General Radio Co.

16. HAGUE, B. Alternating Current Bridge Measurements. Pitman & Son.

17. SINCLAIR, D. B. The Twin-T - A New Type of Null Instrument for Measuring Impedance at Frequencies up to 30 Megacycles. Proc. I.R,E._} July, 1940, Vol. 28, No. 7.

18. SINCLAIR, D. B. A Radio-Frequency Bridge for Impedance Measurements from 400 Kilocycles to 60 Megacycles. Proc. I.R.E., November, 1940, Vol. 28, No. 11.

19. Catalog K, General Radio Co.

20. CURTIS, H. L. Shielding and Guarding Electrical Apparatus used in Measurements. Trans. A.I.E.E., October, 1929, Vol. 48, No. 4.

21. FERGUSON, J. G. Shielding in High-Frequency Measurements. Trans. A.I.E.E., October, 1929, Vol. 48, No. 4.

22. GUSTAFSON, W. G. Magnetic Shielding of Transformers at Audio Frequencies. Bell System Tech. J., July, 1938, Vol. 17, No. 3.

23. AFFEL, H. A., H. A. CHINN, and R. M. MORRIS. A New "VI" and Reference Level. Electronics, February, 1939.