Second Printing Revised May 1922. No DJ. 5 X 7 1/2. Van Nostrand. Some pencil scribbling on blank pages. Frontspiece ripped. Cover edge wear. Binding a little loose. Photographs and illustrations. Index. 183 pgs. A practical book for everybody. Early radio technology. Shows some instraments and equipment. A FAIR COPY. Condition:Used; Acceptable edition:First Edition binding:hardcover format:hardcover
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