Caldwell, William C., 1925- Practical transistor servicing / by William C. Caldwell. - Indianapolis, H. W. Sams [1965] - 191 pages ; illustrations : 22 cm. - A Howard W. Sams photofact publication, PTC-2 . Includes index LCCN: 65024556 Subjects--Topical Terms: Transistors. LC Class. No.: TK 7871.9 / C3 Dewey Class. No.: 621.384187