Stereo Sound - H. W. HellyerFountain Press, 1974, Hardback in Dust Wrapper.
Condition: Good+ - in Poor DJ. Unlaminated DJ a little edgeworn and faded with loss at the head of the spine, 2" closed but untidy tear to the head of the upper panel. Edges of the textblock lightly spotted. Text bright and tight.
iIllustrated with B&W photographs and diagrams. From the cover: “Stereophonic sound has occupied men’s enquiring minds for many years. The author traces the history of stereo from Adriaan Willaert’s two-choir system of 1550, through the major findings of Lord Rayleigh and Clement Ader in the late 19th century, and on to the developments and theories of today. An explanation of the mechanics of hearing is followed by a description of film, disc and tape recording systems and a special chapter covers stereo radio systems and offers advice to those wanting to get the best from the BBC broadcasting services.”