The Collector's Vacuum Tube Handbook contains hard-to-find electrical data on nearly 200 tube types that pre-date the RMA (Radio Manufactuerers Association) standardized numbering system, which was initiated in 1934. It includes basing diagrams, photos of tubes and boxes, and brief developemntal histories of each. Western Electric, DeForest, Arcturus, Cunningham, GE, Westinghouse, Philco, Speed, Ken-Rad, Sparton, Cardong, Daven, McCullough, and others are among brands covered.
Price: $24.50
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