Technology, communications, weaponry communications 1789-1870 

 - Milton Keynes  Oxford University Press  1980 
 - 84p. 
<br/><br/><label>ISBN: </label> UKP 3.50 
<br/><br/><label>Source: </label> UKP 3.50 
<br/><br/><label>Dewey Class. No.: </label>940 TEC