Echo Suppressors for Long Telephone Circuits; Bell Telephone Laboratories Reprint B-165-I, november 1925.
Bell Telephone Systems NY 1925, 24 pages, photographs.
Bell Telephone Systems NY 1925, 24 pages, photographs.
Harvard University Press, Cambridge MA 1946 first edition; 561 pages, 17 plates, text illustrations;.
Coyne Electrical and Television-Radio School, 1954, approx. 150 pages, unpagaginated, diagrams and some photographs, text.
Bell Telephone System Monograph reprint B-118-1, offprint from Bell System Technical Journal.
Bell Telephone Laboratories, states Reprint B-435 November 1929; 77 pages, Bibliography.
W.A. Benjamin, NY, 1966, 274 pgs, Illustrations, Graphs, Formulas, Index.
DEC, 1985, 822 pages, some photographs.
Digitronics Corporation, NY July 1965, revision A, September 1965.
Bell Telephone Laboratories, NY, orig. published in Electrical Communication, October 1924; 12 pages, references, diagrams, photographs.
AES, Audio Engineering Society, NY 1967; pp 366-492 inclusive, double-column text, diagrams, photographs, references, advertisements etc.
Bell Telephone Laboratories, June 1928, Reprint B-321, originally presented as part of a symposium on high frequency measurements, AIEE 1927; 19 pages, some illustrations and photographs.
Bell Tel. Labs 1929, reprint of paper presented before Amer Phys Soc 1928, publ in J Opt Soc 1929.
IEEE Transactions on Human Factors in Electronics, HFE-8: 1 (March 1967), pp. 5-15.
Fairchild, mountain view CA 1976, 1977, and 1978; approx. 300 pages in 3 separate books, each section paginated separately.
Fairchild, Mountain view CA 1980, 20 pages plus prelims, double-column text, illus.
Bell Telephone Laboratories, september 1928, Reprint B-261, originally published in the Bell System Technical Journal, vol VI, July 1927; 12 pages, footnotes, some illustrations.
Bell Telephone System 1925, 35 pages, illustrations, photographs.
Bell Telephone System Monograph Reprint B-153-1, offprint from Electrical Communication January 1925.
Addison-Wesley, MA 1985, reprinted with corrections December 1985; 473 pages, illus., Index, refs.
McGraw-Hill Book Co NY 1969; 269 pages, index, diagrams, photographs.
John Wiley & Sons, NY 1977, second edition 1984, 771 pages, Illustrs, Bibliography, Appendix, Index.
Princeton University Press 1955, 2nd printing 1957; 201 pages, diagrams.
Bell Telephone Laboratories NY, Reprint Series, B-425; original published in the Journal of the Optical Society of America and Review of Scientific Instruments, Vol 19 pp 79-80, August 1929.
Bell Telephone System Technical Publications, Monograph B-573, 26 pages, diagrams; orig. published The Bell System Technical Journal July 1931.
Prentice-Hall, NJ 1981, later printing; 294 pages, index, diagrams, appendices including specifications etc.