This book contains hard to find electrical data for nearly 200 tube types that pre-date the RMA standardized numbering system, initiated in 1934. It includes basing diagrams, photos of tubes and brief developmental histories of each. Includes tubes by Western Electric, DeForest, Arcturus, Cunningham, GE, Ken-Rad, Philco, Speed, Sparton,Cardon, Daven, McCullough and others.
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Book Description Sonoran Pub, 2001. Paperback. Book Condition: New. Never used!. Bookseller Inventory # P111886606153
Book Description Sonoran Pub, 2001. Paperback. Book Condition: New. Brand New!. Bookseller Inventory # VIB1886606153