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Stromberg-Carlson, 1948. Foreword by Lloyd l. Spencer. Illustrated. 76pp., thin 8vo, red cloth; spine rubbed, corners mildly bumped, lower foredge stained. N.P.: Stromberg-Carlson, (1948). A very good copy. Presentation copy signed by the author A "Key to Characters" is taped to the inside front cover.
London: Gresham Publishing Co., 1923. 2 volumes. Frontispiece portrait of James Clerk Maxwell, 13 plates and many illustrations with black and white photographs and diagrams. 4to, brown cloth, quite rubbed. London: The Gresham Publishing Co, 1923. First Edition. Overall a poor copy but interior pages clean.
London: Longmans, 1916. Illustrated, some folding. 911 pages, small stamp on fly-leaf, very thick 8vo, original green cloth. London: Longmans, 1916. Third Edition, Revised. One folding plate torn, else a very good(+) copy. Fleming was a British electrical engineer and pioneering researcher in radio transmission and technology. He patented the first thermionic valve (diode) in 1902. This was the first electron tube and basis for modern telecommunications.
Milwakee: Parker & Hyde, 1891. 40 pages. Slim 16mo pamphlet in original tan printed wrappers with angled corners and triangular notch at fore-edge. Milwakee: Parker & Hyde, 1891. Fifth edition, first published the previous year. The first 2 pages are torn and now strengthened with archival film, otherwise a very good solid copy of this scarce early technical.
New York: Harper, 1929. Frontispiece, and illustrated with black & white photographs and diagrams. 8vo, blue cloth. New York: Harpers & Brothers Publishers, 1929. First Edition. Very good. Authoritative and readable history of the great legal controversies that raged about the invention of the telephone. Fine bibliography of source material.