JOURNAL OF SCIENCE,

AND ANNALS OF

MINING, METALLURGY, ENGINEERING, INDUSTRIAL ARTS,
MANUFACTURES, AND TECHNOLOGY.

EDITED BY

WILLIAM CROOKES, F.R.S., &c.

VOL. VII. (SNIKE.)

SERIES.

VOL. XIV. (O.S.)

WITH ILLUSTRATIONS ON COPPER, STONE, AND WOOD.

OFFICES OF THE QUARTERLY JOURNAL OF SCIENCE,
3, HORSE-SHOE COURT, LUDGATE HILL.