26 Cellulose and Chemical Industry [March 2, 



British Cellulose and Chemical Manufacturiog Co., London and 

 Derby. (Drs. C. and H. Dreyfus.) 



Cellulose acetate films, varnish and solids. Aeroplane fabrics. 



Messrs. J. R. Denison and Co., Bradford. (J. R. Denison.) 

 Specimens of mercerized cotton fabrics. Special finishes. 



The Plaissetty Mantle Co., London. (T. Terrell, K.C.) 



Specimens of incandescence gas mantles and stages of special 

 processes. 



The Viscose Development Co., Ltd., Bromley, Kent. (0. Mason, 

 Manager.) 



Specimens of cap films, illustrating processes of fixing pressure 

 proof caps to bottles, etc. 



To Mr. W. MacNab, F.I.C., I was indebted for a collection 

 of Military Service Explosives ; and the Director of the Royal 

 Gardens, Kew, through Mr. J. M. Hillier, Keeper of Museums, kindly 

 supplied specimen skeleton leaves. 



I was indebted to Dr. J. N. Goldsmith for specimens of celluloid ; 

 and to Mr. J. Lawrence, of Messrs. Blair Campbell and Co. (Glasgow), 

 for the preparation of cylinders of wood charcoal demonstrating the 

 volume changes of hard woods in the process of destructive distil- 

 lation. 



[C.F.C.] 



