1930. 8vo, pp. xxiii, [i] blank, 130, 24 publisher’s advertisements; with 47 half-tone illustrations on 46 leaves, and 38 text illustrations; some minor marginal browning and occasional light soiling; with a number of neat marginal annotations in pencil throughout, in Swedish; with facsimile signature of John L. Baird; in the original green publisher’s cloth, upper cover with blindstamped border, spine and upper cover lettered in gilt, head and tail of spine a little bumped, some light soiling to covers, extremities lightly bumped. First edition of this important work, aimed at the general reader and amateur constructor, and one of the earliest works on television. Sydney Moseley was Baird's business manager and a tireless enthusiast for his work, and the present manual provides an detailed account of his work and system. His self-appointed champion and biographer, Moseley gives a strong defence of Baird and an extended account of the battle with the BBC Additional technical information is provided by H.J. Barton Chapple. ‘I started out to write a piquant history of television as I knew it at first hand, but the subject has grown out of hand. I found history was being made even as I wrote’ (p.xxii).