Open AccessContributors to this Issue
Author(s) -
E Blessing,
B In,
S Cory
Publication year - 1939
Publication title -
bell system technical journal
Language(s) - English
Resource type - Journals
eISSN - 1538-7305
pISSN - 0005-8580
DOI - 10.1002/j.1538-7305.1939.tb00816.x
Subject(s) - communication, networking and broadcast technologies
H. A. AFFEL, S.B. in Electrical Engineering, Massachusetts Institute of Technology, 1914; Research Assistant in Electrical Engineering, 1914–16. American Telephone and Telegraph Company, Engineering Department and the Department of Development and Research, 1916–34; Bell Telephone Laboratories, 1934–. As Assistant Director of Transmission Development, Mr. Affel is concerned with toll transmission problems, including the development of carrier telephone systems.