Wireless Telephony and Broadcasting 2 Vols

210pp, 233pp First edition. Two-volume set, editorial brown cloth with blind lettering on front boards and gilt lettering on spines, professionally rebacked and hinges reinforced internally, paper lightly age-yellowed with sporadic acceptable foxing, otherwise in VG conditions. Overall a nice set. Wireless Telephony and Broadcasting is a sumptuously illustrated, two volume classic from the 1920's. it contains much of interest to wireless collector. As to be expected given the author's connection with Marconi, their equipment gets a good look-in, including the Marconiphone V3, a 300 kW CW Disc discharger and Marconi Valve Wireless Telephony Transmitters. Harry Melville Dowsett was one of Marconi’s most famous engineers at that time, having assisted Guglielmo Marconi in the pioneering days as early as 1899 and esponsible for many key developments in radio and television by the Company and of the associated patents obtained. All of the books he authored are sought after by collectors, wireless technology historians and early radio enthusiasts. Heavy books attracting higher postage cost.