TY  - GEN
AU  - Perkins, W. T.
AU  - Barton, R. W.
TI  - Radio-communications
U1  - 621.384,PER 
PY  - 1947///
CY  - London
PB  - George Newnes
KW  - Radio communications
N1  -  City and Guilds of London Institute Syllabus-Summary of Formula (Page-1), Components (Page-22), Valves (Page-48), Receivers (Page-90), Transmitters, F.M. and Amplitude Modulated (Page-118), Power Supplies for Radio Equipment (Page-144), Receiving and Transmitting Aerials (Page-155), Ship-Shore Radio (Page-173), Landline W/T and R/T Including R/C Transmission and Reception (Page-178), Measuring Instruments (Page-207), Radio Interference and its Suppression (Page-227), Miscellaneous (Page-241).
ER  -