Hubbard, Geoffrey <br/><br/>
Cooke and Wheatstone and the invention of the electric telegraph / 
Geoferey Hubbard 
 - New York :  Augustus M. Kelley,  1968 
 - ix, 158 p. :  ill., facsims, ports. ;  22 cm. 
 - Reprints of economic classics .
<br/><br/><label>Subjects--Personal Names: </label><br/>Cooke, William Fotthergill, Sir, 1806-1879 <br/>Wheatstone, Charles, Sir, 1802-1875 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telegraph--History--Great Britain