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Title: B.R. 229 & 230. Admiralty Handbook of Wireless Telegraphy. Volume 1 Magnetism and Electricity; Volume 2 : Wireless Telegraphy Theory.
Description: London, His Majesty's Stationary Office, 1942/3; Reprint. 9.5" x 7.5". Hardback. Volume 1: Good+/ No dj. 442pp plus Appendix, index and period advertisements. Volume 2: Good . Profusely illustrated with talles and diagrams. Grey covers with embossed title on front, black title on spine. Volume 2 has small split at spine hinge.

Keywords: Wireless Telegraphy. Magnetism and Electricity; Wireless Telegraphy Theory.