Jewikes, John <br/><br/>
The sources of invention/ 
John Jewkes, David Sawers and Richard Stillerman 
 - London:  Macmillan,  c1958 
 - xii, 428 p.;  21.5 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label> £ 31 s. 6d. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technological innovations<br/>Inventions<br/>Creative ability in Technology
<br/><br/><label>Dewey Class. No.: </label>608