TY  - BOOK
AU  - Westcott,Charles G.
AU  - Dubbe,Richard F.
TI  - Tape recorders how they work
U1  - 621.3818 
PY  - 1964///
CY  - England
PB  - W. Foulsham
KW  - Magnetic recorders and recording
KW  - Heads
KW  - Magnetic tapes
KW  - Sound
KW  - Recording and reproducing
N1  - Includes index
ER  -