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RADIO ( WIRELESS ) VALVE DATA 1969 EDITION 7000 ENTRIES
UK: Iliffe, 1969. 3rd Edition . Soft cover. Good. 4to - over 9¾ - 12" tall. Cheap paper but good condition 1969 ed of 1949 book. 229 pages, quarto size. Characteristics of 7000 valves,transistors,semiconductors, cathode ray tubes,diodes, rectifiers. …
