Hatfield, H. Stafford <br/><br/>
The Inventor and his world 
/H.Stafford Hatfield 
 - Middlesex:  Penguin Books,  1948. 
 - 256 pages. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invention
<br/><br/><label>Dewey Class. No.: </label>608   / HAT