Handbook of Line Communication, Volume I. W.O. Code No. 1698

905, v.1 only, illus., figures (incl. some fold-out), tables, appendices, supplement, index, pencil notes ins rear flyleaf. Ink name inside front board, weakness to boards, board and spine edges worn, small tears at top and bottom edges of spine, large scratch on rear board. Subtitled: A comprehensive text-book dealing with the theoretical and practical aspects of the transmission of intelligence over lines. Reprint of the edition originally published in 1947. Topics covered include direct currents, alternating currents, AC circuits, metal rectifiers and power supplies, thermionic valves, valve amplifiers, feedback, oscillators, modulation, the cathode ray oscilloscope, four-terminal networks, attenuation and attenuators, filters, line transmission, and mathematical treatment of line transmission.