Henley's twentieth century book of formulas, processes and trade secrets 

 - New York  The Norman W. Henley Publishing  1955 
 - 867 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Formulas, recipes, etc.
<br/><br/><label>Dewey Class. No.: </label>660  / G226h 1955