Admiralty, First Word : Admiralty Handbook Of Wireless Telegraphy : Magnetism And Electricity 

 - London  His Majesty's Stationary Office  1938 
 - 6,442,22p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>D666
<br/><br/><label>Dewey Class. No.: </label>D666  / G8.1