SIR WILLIAM CROOKES, O.M., D.Sc., F.R.S., &c.

VOLUME CVIII -1913.

LONDON:

PUBLISHED AT THE OFFICE, 16, NEWCASTLE STREET, FARRINGDON ST.,
E.C.

AND SOLD BY ALL BOOKSELLERS.

MDCCCCXIII.

CHEMICAL NEWS

JOURNAL OF PHYSICAL SCIENCE

Edited by

Sir Wm. Crookes, M., F.R.S.] (WITH WHICH IS INCORPORATED THE "CHEMICAL GAZETTE").

THE

Establish

Sixty-eight Years

Published Weekly. Annual Subscription free by post £1. Entered at the New York Post Office as Second Class Mail Mattes

Friday, July 4, 1913.

AND

WILSHTOAL LABORATORY OF HARVARS COLL

chem Rai