Lot of 23 individual Bell Telephone System Monographs, see list.
Bell Telephone System Technical Publications, monographs, 8.5x11 blue-gray covers, stapled bindings, var. pagination, 5-hole punched at margins.
Bell Telephone System Technical Publications, monographs, 8.5x11 blue-gray covers, stapled bindings, var. pagination, 5-hole punched at margins.
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.
AT&T, issued October 1953, orig. published in The Bell System Technical Journal, vol 32, March 1953; 24 pages plus rear foldout chart.
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.
Bell Telephone Laboratories NY, 54 pages, reprint of paper published in BSTJ October 1924.