Abstracts of Technical Articles by Bell System Authors Jour. Applied Physics, October 1944. FM and Television, November 1944.
Published by D. Van Nostrand Company, Inc., New York, N. Y., 1945.
Depends upon the frequency, the intensity and the overtone structure of the sound wave transmitting the tone.
Jour. Amer. Chemical Soc., May 1947. Indus. & Engg. Chern., September 1947. Telephony, August 30, 1947.
Measurements have been used on telephone and television facilities since 1940 to locate impedance irregularities and control quality in manufacture and installation.
Quate experimental verification, that barium - strontium oxide, as used in the oxide cathode, is an excess electronic semi-conductor.
Electronics, March 1943. Proc. I.R.E., February 1943.
F. F. SHIPLEY. A new crossbar toll switching system was placed in service in Philadelphia in August 1943. Important improvements offered by this system include: 1.
A.S.T.M. Bulletin, M a y 1945. Quarterly Applied Mathematics, July Electronic Industries, August 1945. 1945.
Indus. & Engg. Chemistry, March 1946. Proc. I.R.E., M a y 1946. *Elec. Engg., Trans. Sec., April 1946. 4 Phil. Mag., June 1945.
