Crook, W. E., comp. <br/><br/>
Wireless telegraphy :  notes for students (covering the post-master-general’s air licence for W/T operators) / 
compiled by W. E. Crook ... 
 - 3rd ed 
 - London,  Sir I. Pitman & sons, ltd.,  1942 
 - vii, 189 p  illus  diagrs  22 cm 
<br/><br/>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). 
<br/><br/><label>Subjects--Personal Names: </label><br/>Crook, W. E., comp.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication Engineering
<br/><br/><label>Dewey Class. No.: </label>621.383,CRO