Smithsonian Report, 1940 -Stine 



PLATE 2 



1. From This Material, "Pyralin" Cellulose Nitrate Plastic Sheets and 



Rods Are Made. 



The i)lastic is put throiijrh heavy steel rollers at the Arlinston, X. J., i)lant of E. I. du Pont de Xemours 



A: Co. 



2. Batch of Crude Methyl Methacrylate Polymer, the Base for ■ Lucite" 

 Plastic Manufactured by E. I. du Pont de Nemours & Co. at the Com- 

 pany's Belle, W. Va., Plant. 



