Israel, Paul. <br/><br/>
From machine shop to industrial laboratory :  telegraphy and the changing context of American invention, 1830-1920 / 
Paul Israel. 
 - Baltimore :  Johns Hopkins University Press,  c1992. 
 - viii, 251 p. :  ill. ;  25 cm. 
 - Johns Hopkins studies in the history of technology ;  [new ser., no. 14] .
<br/><br/>Includes bibliographical references (p. 223-244) and index. 
<br/><br/><label>ISBN: </label>0801843790 
<br/><br/><label>LCCN: </label>92000812 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--History.--United States<br/>Telegraph--History.--United States<br/>Inventions--History.--United States
<br/><br/><label>LC Class. No.: </label>T21  / .I77 1992 
<br/><br/><label>Dewey Class. No.: </label>609.73