August 21, 1914.

THE COLLIERY GUARDIAN.

439

NTO MOKE EIKGERS OFF

HANDS SAFEGUARDED. Dangerous Woodworking
Machinery rendered safe and more effective.

“IDEAL" SAW GUARDS and CIRCULAR SAFETY
PLANING MACHINE CUTTER BLOCK. Thou-
sands in daily u e, saving Lives and Limbs.

Firewood and Firelighter Machinery make money.

M. GLOVER & CO., Engineers, LEEDS.

Mining BOOKS

At Tremendous Reductions ! 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 Road, London, W.C.

££E SAFETY LAMPS,
LAMPROOM FITTINGS,
Enamelled Notice Plates,

-- APPLY -

PROTECTOR LAMP LIGHTING CO. LTD., ECCLES.

PATENT

IREASER

’ OVER 1.400 PAIRS SOLD. KW

■ NEWPfltENT NQ20901.1913.

M wy/zf zz?/? photos. ro son amnutk

AUTOMATIC I EVANS O' DODD
k	I CANNOCK.

British Manufacture Best Quality at Lowest Prices.
Every description either separate or in cases.
SPECIAL 12 in, CARIHIOAKD PROTRACTOR,
reading to i°, at 2«. 6d„ postage

ILLUSTRATED CATALOGUE ON APPLICATION.

Wil MARI INR Mathematical Drawing and Surveying
■ n. FIMnuilU) 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.

Extract from the article on “CO AL”—The New Edition (Eleventh) of THE ENCYCLOPAEDIA BRITANNICA—
“ Authorities.—The most important new publication on British coal is that of the Royal Commission on Coal
Supplies appointed in 1901, whose final report was issued in 1905. A convenient digest of the evidence,
classified according to subjects, was published by the Colliery Guardian newspaper in three quarto volumes in
1905-1907, ........ ”

Complete in Three Volumes, bound in Cloth. Price £2 (net).

The Volumes may be had separately at the following prices : Vol. I., 15s. 9d. net; Vol. II., 15s. net; Vol. III., 10s. net.

COAL

Economy in Working, Preparation for Sale, Transport & Use, Foreign Competition.

Being a Digest of the Evidence given before the Royal Oominission on Coal Supplies, 1901-5.

Works: Prescot, Helsby, & Liverpool.

SEE LARGE ADVERTISEMENT EVERY FOURTH WEEK.

Edited by ALLAN GREENWELL, F.G.S., Assoc.M.Inst.C.E., M.Inst.M.E.

THE COLLIERY GUARDIAN CO. LTD., 30 & 31, Furnival Street, Holborn, London, E.C.

PUMPS FOR DiP WORKINGS IN

COLLIERIES, MINES, &C.

Lift 25 ft.

Worked by the handle
being pushed TO
and FRO.

Force 60 ft. and
more.

WILLCOX

SEMI-ROTARY WING

PUMPS. .

i in. to 4 in.

4,000 Stocked in IRON, also BRASS.

Large Sizes 2i in. to
4 in. bore have double
handles for two or
more men.

EASY ACTION.
SPLENDID
RESULTS.

W. H. WILLCOX & CO. LTD

also for QUARRIES

We have excellent testimonials
and receive large orders for these
Pumps from MINE MANAGERS
&c., on account of their

EXCELLENCE IN WORKING

and great CAPACITIES, which
amount to over 8,000 gallons per
hour. They are EASILY FIXED,
and we mount them in various
ways for hand and power.

Fitted also for
POWER.

32/38, Southwark Street,

LONDON, S.E

Semet-Solvay Coke Ovens

SECTION OF OVEN

iM

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 COHSTRUCTION CO. L!

Howard Chambers, 155 Norfolk Street, SHEFFIELD.