Technology and social change/ 
Francis R. Allen. 
 - New York:  Appleton-Century-Crafts,  c1957 
 - x, 529 p.:  ill.;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> $ 7.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--Social aspects<br/>Technology--Social change<br/>Technology and civilization<br/>Inventions
<br/><br/><label>Dewey Class. No.: </label>609