Walker, Charles Rumford,  1893- <br/><br/>
Modern technology and civilization :  an introduction to human problems in the machine age / 
by Charles R. Walker ; assisted by Adelaide G. Walker. 
 - New York :  McGraw-Hill,  1962. 
 - 469 p. :  ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology and civilization.