Armstrong H E <br/><br/>
James dewar 
Armstrong H E 
 -  1924 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>59981 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry history
<br/><br/><label>Dewey Class. No.: </label>EwM42, F4