ADMIRALTY <br/><br/>
Admiralty handbook of wireless telegraphy: magnetism and electricity Vol 1 

 - London  Majestys stationary  1938 
 - 442 
 - 1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>wireless<br/>Vol<br/>telegraphy:<br/>magnetism<br/>handbook<br/>electricity<br/>Admiralty<br/>1
<br/><br/><label>Dewey Class. No.: </label>535/172