Armstrong, Henry E. <br/><br/>
Essays on the art and principles of chemistry : 

 - London :  Ernest Benn,  1927. 
 - xxxi, 276 p. :  ill. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History of Chemistry<br/>Chemical Education<br/>Scientific Method in Chemistry
<br/><br/><label>Dewey Class. No.: </label>540 ARM