Cocking, W. T. Television receiving equipment / W. T. Cocking, - 4th ed. - London ; New York : Iliffe & Sons, ltd., Philosophical Library, 1957 - ix, 454 p. : ill. ; 21 cm. Subjects--Topical Terms: Television--Receivers and receptionTelevision picture tubes. Dewey Class. No.: 621.38836 / COT 1957