THE

CHEMICAL NEWS

AND

JOURNAL OF PHYSICAL SCIENCE.

(WITH WHICH IS INCORPORATED TIE “CHEMICAL GAZETTE.")

Journal of Practical Chemistry

IN ALL ITS APPLICATIONS TO

PHARMACY, ARTS, AND MANUFACTURES.

EDITED BY

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

VOLUME XXVII.-1873.

LONDON:
HENRY GILLMAN, BOY COURT, LUDGATE HILL, E.C,

AND SOLD BY ALL BOOKSELLERS.

MDCCLXXIII.