Burlingame, Roger. <br/><br/>
Machines that built America / 
Roger Burlingame. 
 - 1st ed. 
 - New York :  Harcourt, Brace,  1953. 
 - 214 p. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/>337  337 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions.--American.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Civilization.
<br/><br/><label>Dewey Class. No.: </label>608 / B925m