By: Alan Douglas
Provides an overview of pre-1970 (vaccum tube era) radio test equipment. It begins with an extensive discussion of tube testing and use of tube testers, and progresses into curve tracing. The different types of testers are compared; emission, dynamic and mutual conductance, and testers from 23 different manufactureres are tabulated and pictured. Also covers VOMs, VTMs, Q Meters, Grid Dip Meters, Capacitance and Inductance Bridges, Signal Generators, Signal Tracers and Oscilloscopes. It include brief company histories of the manufacturers. Useful for radio collectors, vacuum tube enthusiasts and historians. Over 300 photos and illustrations.
172 pgs, 1.2 lbs, 8.5 x 11"
