TM 11-2049 Transmission Measuring Set TS-569/FT Technical Manual – June 1949

Original Department of the Army Technical Manual TM 11-2049 covering the Transmission Measuring Set TS-569/FT, dated June 1949. This specialized Signal Corps test instrument was designed for measuring and evaluating the performance of military communications circuits and transmission systems. The manual contains operating procedures, maintenance instructions, technical specifications, and calibration information for use by communications and electronics technicians during the early Cold War era. Features original military property markings and library stamps, adding to its historical provenance. A solid reference manual for collectors of military communications equipment, Signal Corps test gear, and postwar electronics technology.