TY  - GEN
AU  - Crook, W. E., comp.
TI  - Wireless telegraphy: notes for students (covering the post-master-general’s air licence for W/T operators) 
U1  - 621.383,CRO 
PY  - 1942///
CY  - London
PB  - Sir I. Pitman & sons, ltd.
KW  - Crook, W. E., comp.
KW  - Telecommunication Engineering
N1  - Wireless Communication (Pag-1), Electricity (Page-5), Inductance (Page-17), Capacity (Page-27), Alternating Currents (Page-34), The Oscillatory Circuit (Page-56), The Thermionic Valve (Page-64), Transmission (Page-83), Radio Telephony (Page-95), Amplifiers (Page-102), Selectivity (Page-117), Aerial Systems (Page-128), Direction Finding (Page-138), Instruments (Page-155), Power Supplies (Page-164), Short Wave Apparatus (Page-182), The Aircraft Installations (Page-189)
ER  -