THE QUARTERLY 
JOURNAL OF SCIENCE, 
AND ANNALS OF 
MINING, METALLURGY, ENGINEERING, INDUSTRIAL ARTS 
MANUFACTURES, AND TECHNOLOGY. 
EDITED BY 
WILLIAM CROOKES, F.R.S., & c. 
VOL. VII. ( s ?£..) 
VOL. XIV. (O.S.) 
WITH ILLUSTRATIONS ON COPPER, STONE, AND WOOD. 
OFFICES OF THE QUARTERLY JOURNAL OF SCIENCE, 
3, HORSE-SHOE COURT, LUDGATE HILL. 
Paris : Leipzig : 
FRIEDRICH KLINCKSIECK. ALFONS DORR. 
Berlin : 
A. ASHER and CO., 53, MOHRENSTRASSE. 
MDCCCLXXVII, 
