Davis valentine <br/><br/>
Matter & method of modern teching 
Davis valentine 
 - London  G Hanap  1930 
 - 490 pages 
<br/><br/><br/>In English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matter-Method
<br/><br/><label>Dewey Class. No.: </label>Dgca,17  1930