The Bell System Technical Journal volume 49 number 9, November 1970; individual issue, DEVICE PHOTOLITHOGRAPHY.
Bell System, November 1970, pp 1995-2415 inclusive, diagrams, references, some photographs.
Bell System Technical Journals
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.
Loading for Telephone Cable Circuits, Bell Telephone Laboratories Monograph Reprint B-212 November 1926.
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.
Working Curves for Delayed Exponential Calls Served At Random; Bell Telephone System Technical Publication, Monograph 2133, October 1953.
AT&T, issued October 1953, orig. published in The Bell System Technical Journal, vol 32, March 1953; 24 pages plus rear foldout chart.
Mechanism of transition in magnetite at low temperatures; Bell Telephone System monograph 2149, technical publications.
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.
Extensions to the Theory and Design of Electric Wave Filters, Bell Telephone System Monograph B-556 April 1931.
Bell Telephone Laboratories NY April 1931, 58 pages, illlus., orig published BSTJ April 1931.
Transmission Characteristics of Electric Wave-Filters, Bell Telephone Laboratories Reprint B-103-1, January 1925.
Bell Telephone Laboratories NY, 54 pages, reprint of paper published in BSTJ October 1924.