January 3, 1913.

THE COLLIERY GUARDIAN.

3

ROBEY & CO. LTD., Lincoln, England.

*------------And at 79, QUEEN VICTORIA STREET, EO NDON. -

AIR COMPRESSOR
fitted with
PATENT DISC VALVES
and
UNLOADING DEVICE
ensuring
Highest Efficiency

J6

pnRE Y j. c ? LT-°

at all loads.

Makers of

Winding Engines
with Patent Drop Valve
Reversing Gear.

Patent Overwinding and
Overspeed Gear.

FAN ENGINES.

John Russell & Co. Ltd.,
Alma Tmtoe Works, WALSALL.

For Gas, Steam, Water, &c.

WELDLESS STEEL TUBES for ENGINEERS, Ac.

THE NORTHERN RUBBER CO.,

THE WICKER, SHEFFIELD. ««.{S: SSB^!0-
On Admiralty I3st.

Makers of

COAL-CUTTER HOSE

5^DE



View of Works, RETFORD, NOTTS.

Sole Makers of the Original Quality

Blue-Line India Rubber Ring.

Sole Makers of

LEATHERITE

For H.P. Steam, Acids, Alkalis, Oils, &c.

GAUNT & HICKMAN
British Oil Works,
H'O/, VERHA TIPTO E ,
MANUFACTURERS OF

Solidified Oils, Floating Grease,
LOCOMOTIVE & ANTI-FRICTION CREASES
SAFETY LAMP OIL
CAS ENGINE AND COMPOUND
ENGINE OILS.

ROSIN DISTILLERS

WALKER’S PATENT

DETACHING

For the Prevention of Overwinding,

For particulars, apply to—

TH OS. WALKER & SON LTD.,
58, Oxford St., BIRIWiriGH AM.

THE LEADING MINING JOURNAL OF THE WORLD.

MINES AND MINERALS.

AN ILLUSTRATED JOURNAL OF
METAL ANiD COAL MINING.

Published by the COLLIERY ENGINEER CO., Scranton, Penna., U.S.A.

It does not publish generalities. It gives its readers Details.
The largest and best journal of its class.

Subscription, post paid .. 10/6 per ann.

KEGAN PAUL, TRENCH, TRUBNER & CO. LTD.

Broadway House, 68-74, Carter Lane, London, E.C.

THE

HOPPERS' PATENT

BYE-PRODUGT GOKE OVENS

AMD

NEW SYSTEM OF RECOVERING THE
BYE-PRODUCTS

GIVE RESULTS WHICH HAVE NEVER BEEN
EQUALLED BY ANY OTHER SYSTEH.

See large advertisement appearing in
alternate issues of this Journal.

All communications to be addressed to—

The Keppers’ Coke Oven & Bye-Product Co.,
301, Glossop Road, Sheffield.

Tel. No. 1935.	Tel. Address—“ Kochs, Sheffield.”

BRAKE AND CLUTCH
TROUBLES.

Linings never fail to cure.

Ask for Sample and List—

The HERBERT FROOD Co. Ld.,

Sovereign Mills,

Chapel-en-le-Frith.

■O'

THAT ARE SAFETY - LAMPS.

v

ACKROYD

6-BEST,K

TEL. NO
“86
MORLEY”

MORLEY,
nr.LEEDS.

TELEG.flD.
“LAMPS,
MORLEY”



HAILWOOD’S IMPROVED LAMP
(Manufactured only by Britain’s Experts.