Hatfield, H. <br/><br/>
The inventor and his world / 
by H. Stafford Hatfield 
 - Middlesex :  Penguin Books,  1948 
 - v., 269 p., 1 l. ;  19 cm. 
 - pelican books .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventors<br/>Inventions
<br/><br/><label>Dewey Class. No.: </label>608.7