TY - BOOK AU - Westcott,Charles G. AU - Dubbe,Richard F. AU - Sams,Howard W. TI - Tape recorders how they work U1 - 621.3818 PY - 1971/// CY - Bombay PB - D.B. Taraporevala KW - Magnetic recorders and recording KW - Heads KW - Sound KW - Recording and reproducing KW - Equipment and supplies N1 - Includes index ER -