Memory Requirements in a Telephone Exchange, in, The Bell System Technical Journal vol 29 no. 3 July 1950 Bell System.
American Telephone & Telegraph, July 1950; pp 295-468; illus, photos, references; light blue paper wraps.
American Telephone & Telegraph, July 1950; pp 295-468; illus, photos, references; light blue paper wraps.
American Telephone & Telegraph, July 1954; pp 799-1022; illus, photos, refs; light blue paper wraps.
Bell Telephone Systems, 1953, orig. published The Bell System Technical Journal, vol 32, May 1953; separate offprint, Monograph 2123, 8.5x11 large size, pp 1-18.
BSTJ, AT&T, NY 1951; pp 779-1040 inclusive, photographs, diagrams etc.
AT&T, NY 1959, 1,603 pages plus index at rear; also bound-in are contents of monographs; diagrams, photographs, references.
BSTJ issued December 1959, printed inside rear cover; published in BSTJ November 1959; 30 pages, diagrams, references.
Bell Tel. Labs, NY 1947, 1956, 1963, 43 pages, diagrams, tables, references.
Bell Telephone System Technical Publications, monographs, 8.5x11 blue-gray covers, stapled bindings, var. pagination, 5-hole punched at margins.
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.