Author: HERBERT, T.E.
Title: Telegraphy: A Detailed Exposition of the Telegraph System of the British Post Office. (With 509 illustrations).
Description: London: Whittaker & Co, 1907. 2nd edition, revised. Whittaker's Practical Handbooks series. Pp.xviii/912/8(catalogue of books published by Whittaler & Co, 509 illustrations and diagrams, front free endpaper absent. Dark blue cloth, gilt title and motif to front board, gilt title to spine, minor bumps to corners and wear to top of spine. G+.

Keywords: Herbert Telegraphy Exposition Telegraph British Post Office Illustrated Cicuits Conductors Magnetism Electricity Galvanometers Resistance Relays Capacity Condensers Current Duplex Wheatstone 41998 Science


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