TY  - GEN
AU  - Alfred T Witts
TI  - The Superheterodyne receiver
U1  - 621.384,WIT 
PY  - 1944///
CY  - Sir Isaac Pitaman
PB  - London
KW  - Alfred T Witts
KW  - The Superheterodyne receiver
N1  - The Evolution of the Superheterodyne Receiver (Page-1), Post War Developments (Page-12), The General Principles of Superheterodyyne Reception (Page-22), Problems of the Superheterodyne Receiver (Page-43), Frequency Changing (Page-90), Automatic Volume Control (Page-120), Some Modern Superheterodyne Receivers (Page-138), Maintenance of Supereterodyne Receivers (Page-169), The Television Superheterodyn (Page-182)
ER  -