TY  - BOOK
AU  - Molloy, E.
TI  - SOUND-FILM PROJECTION
U1  - 534.8 
PY  - 1951///
CY  - London
PB  - G. Newnes Limited
KW  - Moving-Pictures. Talking
KW  - Sound. Apparatus
N1  - First Published 1945
ER  -