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Radio19422. Busby, George: The Spies at Gilnahirk. Donaghadee: Ballyhay Books, 2016. 144 pp. 21.5 x 20.5 cm. The Gilnahirk Radio Station in the Castlereagh Hills, south of Belfast, was a wireless intercepting station established in 1939 and closed in 1978. It reported back to Bletchley Park during the Second World War. Everything to do with the Station was surrounded by secrecy, and this is the first book to explain its history and role. Profusely illustrated, with maps, documents, and photograps of eqipment and personnel. Pictorial glazed card covers. In very good condition, almost as new. £20.00851. Cherry, C: Pulses and Transients in Communication Circuits. London: 1949. 317 pp.in torn d.w. An introduction to network transient analysis for television and radar engineers. g. £12.009146. Decibel: Wireless Terms Explained being a reprint in book form of a series of articles which appeared in World Radio under the title "A Wireless Alphabet" London: Sir Isaac Pitman & Sons second edition 1942. 74 pp. diagrams, blue boards, relatively faded. In good condition. £6.00583. London Electric Wire Company: Catalogue, Lewco's Radio Products 1930 - 1931. London: 1930. Pp. 67 paper covers v.g. £18.00 |
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