Radio Tube Manual.
Los Angeles: National Schools. 8vo. 44 pp. Wear to edges, of cover, some nicks, bottom corner of cover missing, soiling, tear along stapled edge. Radio Tube Characteristics chart, special purpose tube data, flat hearing aid tube, radio panel limp data, tube outline drawings, etc. For maintaining and servicing radio receiving sets and other electronic equipment. Good Booklet (Item ID: 50393)