THE 
TECHNOLOGIST. 
A MONTHLY RECORD OF 
Science &B$lte& to Jbrt, Pmnfathw, ani (Cutters 
EDITED BY 
PETER LUND SIMMONDS, 
Author of "The Commercial Products of the Vegetable Kingdom" "A 
Dictionary of Trade Products" u Curiosities of Food " 
" Waste Products and Undeveloped Substances," 
due. &c. &c. 
VOLUME VI. 
LONDON : 
KEmT AND CO., PATERNOSTER ROW. 
MDCGCLXVI. 
