HATFIELD. H.Stafford <br/><br/>
The inventor and his world 

 - Middlesex  Penguin books  1933 
 - 256 p. 
<br/><br/><label>ISBN: </label>175327 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invention
<br/><br/><label>Dewey Class. No.: </label>608  / HAT