O'shaughnessy W B <br/><br/>
Electric Telegraph in British India: A Manual of Instructions for the Subordinated Officer, Artificers and Signallers Employed in the Department 

 - London  Court of Directors  1853 
 - 184, 18.3 cms, illus 
<br/><br/> B 
<br/><br/><label>Dewey Class. No.: </label>621.382 osh/ele