Communication circuits / [by] Lawrence A. Ware [and] Henry R. Reed. Ware, Lawrence A. (Lawrence Albert), 1901- Reed, Henry R. (Henry Rouse), 1904-1975, author. Electric lines. Electric circuits. TK3226 .W35 1949 621.38 WAC New York, J. Wiley, c1949. c1949. 1949 Text x, 403 p. : eng