Practical PA guidebook how to install, operate, and service public address systems
Crowhurst, Norman H.
Practical PA guidebook how to install, operate, and service public address systems Norman H. Crowhurst. - New York J. F. Rider c1967. - v, 128 p. ill. 23 cm.
Includes index.
67020235
Public address systems.
Practical PA guidebook how to install, operate, and service public address systems Norman H. Crowhurst. - New York J. F. Rider c1967. - v, 128 p. ill. 23 cm.
Includes index.
67020235
Public address systems.