Crowther J G <br/><br/>
SIx great inventors 

 -  1954 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>63635 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science biography
<br/><br/><label>Dewey Class. No.: </label>AwN0, J4