January 21, 1916.

THE COLLIERY GUARDIAN.

143

Mining BOOKS

At Tremendous Eeductions ! New Books at 25 per cent.
Discount! Books on Mining, Technical and all other Sub-
jects. Sent on Approval. State Wants. Send for Lists.
Books Purchased. W. & G. FOYLE, 121-123, Charing
Cross Eoad, London, W.C.

THE

LAW RELATING TO MINES

Under the COAL MINES ACT, 1911.

An OFFICIAL GUIDE to the Mines Act
ISSUED BY THE HOME OFFICE.

Contains the text of the Coal Mines Act,
1911, the Eight Hours Act, &c., with such
explanations of, or comments on, various
provisions as seem likely to be helpful
to those concerned with administering or
carrying out the Act. Also contains lists of
cases cited, Government publications and
official forms, and an excellent index. The
“ explanations give the views
which are taken by the Home
Office, and on which the Inspec-
tors are instructed to act in
administering the law.”

PRICE 2s. BY POST 2s. 4d.

To be obtained of—
THE COLLIERY GUARDIAN CO. LTD.,
3 0 & 3 1, Furnival St., Holborn, London, E.C.

.Requisites Jor the Colliery Engineer

JOINTITE” JOINTING.

PACKING

ENGINE PACKING.

RUBBER INSERTION
and other Joints cut to any
shape, from stock.

few

ESP

can supply your
requirements.

A COPY OF OUR

736 pp. CATALOGUE

WILL BE GLADLY SENT UPON
RECEIPT OF APPLICATION.

Write, 'Phone, Wire, or call personally.

W. H. Willcox & Co. Ltd.,

32 to 38, Southwark St., London, S.E.

Telegraph : *' Willcox, Southwark Street. London.”
Telephone; Hop 3740 (3 lines). Hop 2538 (1 line).
Hop 1992(1 line)

tai

EJECTOR or WATER RAISER.

LEATHER BELTING,
Also
Cotton,
Balata,
Hair,
&c.

INJECTOR.

WILLCOX'S

PATENT

WOODITE
The best material for
GAUGE GLASS RINGS
in all sizes and sections

For Valves, Juint Rings, Pump
Cups, Ram Rings, Packing Rings.

Price List and full particulars on application to—
WOODITE CO., Mitcham Common, Surrey.

« SPECIALTIES.

Rocker Bar Furnaces

For maximum efficiency with natural draught.

Twin-Door Furnace Fronts

For large Boilers, side-firing, smoke-burning.

Sectional Back Bridges

New economic composite type; fusion proof.

Tub-Controllers

For all sizes of tubs or tipping trucks.

Wire Rope Cappels

The new safety quick hosing system.

Visual Signal Indicators

For all winding conditions.

J. & J. NEIL & CO., Engineers,
93, Hope Street, GLASGOW.



British Manufacture Best Quality at Lowest Prices o
Every description either separate or in cases.

SPECIAL 12 in. CARDBOARD PROTRACTOR,
reading to i°, at 2s. Gd., postage Gd.

ILLUSTRATED CATALOGUE ON APPLICATION.

WU MARI I NR Mathematical Drawing and Surveying

■ ili nMiiLiiiMj Instrument Manufacturer,

47, Finsbury Pavement, London, E.C.

Established 1851.	Factory—HACKNEY, E.

British Insulated & Helsby Cables Ld.,

ELECTRICAL CABLE MAKERS & ENGINEERS. .

REGD. TRADE MARK.

Works: Prescot, Helsby, & Liverpool.

SEE LARGE ADVERTISEMENT EVERY FOURTH WEEK.

Semet-Solvay Coke Ovens

SECTION OF OVEN

I

SHOWING SOLID CONSTRUCTION.

Strongest in Design.

Separate sets of flues to each oven.
Very low Maintenance Cost.

“DIRECT” AMMONIA RECOVERY PLANT,
giving increased yield of Sulphate, with less
Labour, and a saving in Steam consumption.

THE COKE OVEN CONSTRUCTION CO. Is

Howard Chambers, 155, Norfolk Street, SHEFFIELD.