THE 



TECHNOLOGIST. 



A MONTHLY RECORD OF 



Serena $j$i*fc to grt, $pwmfatta, anfo Cttlto. 



EDITED BT 



PETER LUND SIMMONDS, 



Author of "The Commercial Products of the Vegetable Kingdom," " A 



Dictionary of Trade Products," " The Curiosities of Food,''' 



" Waste Products, and Undeveloped Substances," 



&C. &C. &G. 



Volume IV. 



LONDON : 



KENT & CO., PATE EN OS TEE E W. 



MDCCCLXIV. 



