TY  - GEN
AU  - Ratcliffe, J. A.
TI  - The physical principles of wireless
U1  - 621.384 
PY  - 1952///
CY  - London
PB  - Methuen
KW  - Radio
N1  - 1.oscillatory circuits(page 1)2.valves(page 24)3.aerials(page 42)4.wireless transmitters(page 58)5.reception of wireless signals(page 66)6.wireless telephony (page 76)7.amplifiers(page 86)8.the propagation of wireless waves(page 98)index (page 108)
ER  -