1012 THE BELL SYSTEM TECHNICAL JOURNAL, SEPTEMBER 1952 



6. J. G. Ferguson and B. W. Bartlett, "The Measurement of Capacitance in 



Terms of Resistance and Frequency," Bell System Tech J., 7, pp. 420-437, 

 July, 1928. 



7. W. D. Voelker, "An Improved Capacitance Bridge for Precision Measure- 



ments," Bell Labs. Record, 20, pp. 133-137, Jan., 1942. 



8. J. G. Ferguson, "Classification of Bridge Methods for Measuring Imped- 



ances," Bell System Tech. J., 12, pp. 452-468, Oct., 1933. 



9. S. J. Zammataro, "An Inductance and Capacitance Bridge," Bell Labs. Record, 



16, pp. 341-346, June, 1938. 



10. H. T. Wilhelm, "Impedance Bridge with a Billion-to-One Range," Bell 



Labs. Record, 23, pp. 89-92, Mar., 1945. 



11. H. T. Wilhelm, "Measuring Inductance of Coils with Superimposed Direct 



Current," Bell Labs. Record, 14, pp. 131-135, Dec. 1935. 



12. H. T. Wilhelm, "A Bridge for Measuring Core Loss," Bell Labs. Record, 19, 



92-96, Nov. 1940. 



13. C. H. Young, "Measuring Inter-Electrode Capacitances," Bell Labs. Record, 



24, pp. 433-438, Dec, 1946. 



14. H. T. Wilhelm, "Maxwell Bridge for Measuring Loading Coils," Bell Labs. 



Record, 28, pp. 453-457, Oct., 1950. 



15. Carl Englund, "Note on Radio Frequency Measurements," Proc. Inst. Radio 



Engrs., 8, pp. 326-333, Aug., 1920. 



16. C. H. Young, "A 5-Megacycle Impedance Bridge," Bell Labs. Record, 15, 



pp. 261-265, Apr., 1937. 



17. T. Slonczewski, "A Versatile Nomagram for Circuit Problems," Bell Labs. 



Record, 10, pp. 71-73, Nov., 1930. 



18. R. O. Grisdale, A. C. Pfister, W. van Roosbroeck, Pyrolitic Film Resistors — 



Carbon and Borocarbon," Bell System Tech. J., 30, pp. 271-314, Apr., 1951. 



19. R. A. Kempf, "Coa.xial Impedance Standards," Bell System Tech. J., 30, pp. 



689-705, July, 1951. 



