THE QUARTERLY 
TOUR NAL OF SCIENCE, 
AND ANNALS OF 
MINING, METALLURGY, ENGINEERING, INDUSTRIAL ARTS, 
MANUFACTURES, AND TECHNOLOGY. 
EDITED BY 
WILLIAM CROOKES, F.R.S:., &c: 
VO. ft. Ge) 
VOL MIX. | (O%S:) 
WITH ILLUSTRATIONS ON COPPER, STONE, AND WOOD. 
LONDON : 
OFFICES OF THE QUARTERLY JOURNAL OF SCIENCE, 
3, HORSE-SHOE COURT, LUDGATE HILL. 
Paris: — Leipzig: 
FRIEDRICH KLINCKSIECK. ALFONS DURR. 
96 
=. MDCCCEXXIL 
