Clarke, Esther Godshaw. <br/><br/>
This machine age :   how our industrial world came to be / 
Esther Godshaw Clarke ; edited by M. E. Herriott. 
 - New York :   Chicago C. Scribner's Sons,  c 1942. 
 - x, 468 p. :  ill. ;  22 cm. 
<br/><br/> Include index 
<br/><br/>Bibliography : p. 459-464. 
<br/><br/>314  314 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Industries -- History. <br/>Economic history.
<br/><br/><label>Dewey Class. No.: </label>330.9 / C551t