Ideal Wave Filters, Bell Telephone System technical publications, Monograph B-856, no date, circa 1935; front cover states, Telephone Equipment, in place where date usually is.
Bell Telephone Laboratories, published in BSTJ April 1935, 38 pages.
Bell Telephone Laboratories, published in BSTJ April 1935, 38 pages.
Bell Telephone Laboratories, states Reprint B-435 November 1929; 77 pages, Bibliography.
Bell Telephone System Technical Publications, Monograph B-573, 26 pages, diagrams; orig. published The Bell System Technical Journal July 1931.
IRE 1952, presented at National COnvention of Institute of Radio Engineers 1951, Published in Proceedings of the IRE vol 40 August 1952; Bell Telephone Laboratories monograph issued January 1953; 4 pages, double-column text, references, diagrams.
Bell System Technical Journal, Bell Telephone Laboratories NY, monograph B-338, orig published IRE 1928; 5 pages plus blanks at rear, diagrams.
American Telephone & Telegraph, July 1954; pp 799-1022; illus, photos, refs; light blue paper wraps.
Bell Telephone Laboratories, March 1929, Reprint B-382, reprint of a paper presented at winter convention of AIEE 1929 and published in the Transactions; 10 pages, some illustrations and photographs.
Bell Telephone Laboratories, November 1926, Reprint B-212, reprint of a paper presented at annual meeting of telegraph and telephone section of the Ameircan Railway Association September1926; and published in their Proceedings; 16 pages, some illustr.
American Insittute of Physics 1953, orig published in PHysical Review vol 91, September 1953; Bell Telephone Laboratories monograph, issued January 1954; 9 pages plus blank sheets at rear, double-column text, diagrams, references.
Bell Telephone Laboratories NY April 1931, 58 pages, illlus., orig published BSTJ April 1931.