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

E.C.

AND SOLD BY ALL BOOKSELLERS.

MDCCCCIX.

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THE

Chem Lab

CHEMICAL NEWS

Edited by

AND

JOURNAL OF PHYSICAL SCIENCE

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

Bstablished

[ Sixty-six Years.

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

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LEAD ASHES, SULPHATE OF LEAD, LEAD SLAGS, ANTIMONIAL LEAD, COPPER MATTE, TIN ASHES, &c., ORES, DROSS, or RESIDUES, containing TIN, COPPER, LEAD, and ANTIMONY.

MERCK'S

Registered as [PRICE 44.
a Newspaper. POST FREE, 4td,

THIRD EDITION, ENLARGED. With 189 Diagrams. 8vo.

15s. net.

HIGHER MATHEMATICS

FOR STUDENTS OF CHEMISTRY AND PHYSICS.
With Special Reference to Practical Work
By J. W. MELLOR, D.Sc.

LONGMANS, GREEN, and CO.,
39, PATERNOSTER ROW, LONDON, E.C.
COUNTY OF DEVON.

The Agricultural Committee invite applica

tions for the Post of ASSISTANT AGRICULTURAL ANALYST. Salary £150 per annum.-For particulars apply to the SECRETARY, County Education Office, The Castle, Exeter, before JULY 7th, 1909.

Che

hemical Engineer, aged 29, Englishman, with Continental Education (Zurich), experience in Continental Laboratories and Works, having occupied administrative positions in German firm, is desirous of finding suitable Situation in Great Britain. Four languages perfectly, and good knowledge of office work.-Address, Box 10, Berry's Advertising Agency, Ltd., 180-181, Fleet Street, London, E.C.

Wanted, Chemical Laboratory, fitted suitably

for Analytical and Experimental work; fitted with Gas and Electricity if possible. -Apply, Ashcroft, 67, Lancaster Gate, W.

SECOND-HAND BOOKS at Half Prices!

at 25 per cent Discount! Books for Chemical, Pharmaceutical, and ALL other Examinations supplied; sent on approval. State wants. Send for List. BOOKS BOUGHT. W. & G. FOYLE, 135, Charing Cross Rd., W.C. (THE Booksellers). STARCH SOLUBLE IN WATER.

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REAGENTS & CHEMICALS New, well-paying Process, TO BE SOLD

FOR

at moderate price.

For particulars please address "K.E. 7536," care of RUDOLF MOSSE,

ANALYTICAL, MICROSCOPICAL, BACTERIOLOGICAL Cologne-on-Rhine, Germany.

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PLATINUM CRUCIBLES, UTENSILS, FOILS

WIRE, and SCRAP.
Bought at Highest Prices.

LONDON REFINING & METALLURGICAL WORKS,

32, CLERKENWELL ROAD, LONDON, E.C. Bankers: LoN., CITY, & MID. Telephone: 388 HOLBORN.

E. MERCK, 16, JEWRY ST., LONDON, E.C. JOHN J. GRIFFIN & SONS, LTD

Head Offices and Works: DARMSTADT.

MMONIA.-All Qualities and Strengths.

AN

Enquiries solicited.

BROTHERTON & CO., LTD., CITY CHAMBERS, LEEDS. Works: Birmingham, Glasgow, Leeds. Liverpool, and Wakefield.

PLATINUM Utensils. We supply all forms

and sizes of Platinum Utensils and Apparatus for Chemical and Physical purposes. All our utensils are hammered to shape, tested, and finished in the best manner. All kinds of Platinum scrap bought or cash or taken in exchange for new.-DERBY and Co., Ltd., 44, Clerkenwell Road, London, E.C.

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