VOL. I cloth boards, price 7s. 6d., is now ready :-and Covers for Binding can 

 had of the Publishers, Messrs KENT and Co., Paternoster Row, price Is. 



No. XV— Vol. II. OCTOBER, 1861. Price 6e£ 



THE 



TECHNOLOGIST. 



A MONTHLY RECORD OF 



Science Spites to &rt an& 4&amtfacttn*. 



EDITED BY 



P. L. SIMMONDS, F.S.S., 



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

 Dictionary of Trade Products" li The Curiosities of Food" &c 



CONTENTS. 



PAGE 



On the Essential Oil of Pimento from the Berry and Leaves. 

 By Dr L. Q. Bowerbank 65 



Some Account of the Trehala, a New Insect Product. By 

 H. Moquin-Tandon 68 



"Woods of the Indo-Burmese Provinces. By M. C. Cooke, F.S.S. 70 



On the Salubrity of Marine Atmospheres. By the Hon. 

 Richard Hill «... 80 



Thk Telegraph Soiree at the Free-Trade Hall, Manchester. 

 By C. F. Varley . 81 



The Krisuvik Sulphur-Banks of Iceland. By Capt. Charles 

 S. Forbes, R.N ■ 86 



New Manufactures from Human Hair. By William Danson 88 



Flint and its Applications. By Thomas D. Rock. (With Illus- 

 trations) 90 



Polytechnic Institution 94 



Reviews « , 94 



LONDON : 

 KENT & CO., PATERNOSTER ROW. 



