Marvin, Carolyn. <br/><br/>
When old technologies were new :  thinking about electric communication in the late nineteenth century / 
Carolyn Marvin. 
 - New York :  Oxford University Press,  1988. 
 - 269 p., [14] p. of plates :  ill., facsims. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 237-265. 
<br/><br/><label>ISBN: </label>0195044681 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication--History--19th century.<br/>Electric engineering--History--19th century.
<br/><br/><label>LC Class. No.: </label>TK5102.2  / .M37 1988 
<br/><br/><label>Dewey Class. No.: </label>621.38