April 13, 1917.

THE COLLIERY GUARDIAN

747

SUPERHEATERS

tr A. Hal N 1

SAVE IO to 20% of COAL.

We make alSpeciality of HEYWOOD & BRIDGE’S
PATENT FRICTION CLUTCHES and
HAULING INSTALLATIONS.

OVER 1,600 WORKING.

*

•8

«s
n

I	:

I	T'*’	J

I	r'9	i

I	<;?***	a



We are
supplying our
Hauling Gears
to the
leading Gold
Mines,
Collieries.
Quarries,
Brickworks,
etc., etc.,
and are
continually
receiving
repeat
orders.

(Electrical and Mechanical, Vertical and Horizontal.)

The

[ illustration is
of Endless
Wire Rope

Hauling
Pulleys with

Friction Clutch.

We have
thousands of
our Clutches
at work on
all kinds of
drives.

Send for
Catalogues
free.

SUPERHEATER APPLIED TO LANCASHIRE BOILER.

MAKERS of SUPERHEATERS

FOR ALL TYPES OF BOILERS.

Experts on Piping Installations, etc.

Send youb Enquiries to

BOLTON’S SUPERHEATERS Ltd.

(Late A. BOLTON & Co.)

Heatizer Works, Trafford Park, MANCHESTER.

Tele. No. 643 Trafford Park. Telegrams: “Heatizer,” Manchester.

Patentees 8 Soli: Matas, DAVID BRIDGE S CO. LD., Haulage Works,
CASTLETON. MANCHESTER.

GEORGE BURNSIDE,

Burnside’s Safety
Boring Apparatus.

Used most successfully
in tapping old Mine
Workings.

Apply for Catalogue.

Rock and Stone Drilling Machines: Drills to any Size.

Also Eye Guards for Pit Ponies.

Boring Tool Works, Shiney Row, Fencehouses,
CO. DURHAM.

SMALLMAN

s

patent HAULAGE GUPS.

New Model: Nine Sizes.

Patented 1902, 1906 and 1910.

Automatic Detachment.

The 1911 lever has large lateral stops and a
wedge-shaped head.

Drop-forged shells (two sizes), levers (four
sizes), catches and couplings.

Illustrated Catalogue.	Clips can be had without catches

Patentee and Sole Manufacturer:—

JAMES W. SMALLMAN, Nuneaton, England.

GOODALL, CLAYTON & Co. Ld.

LEEDS.

Telegram* :—
“ Vertical, Leed*.”

Telephone:—1982, Leed*.





MAKERS AND ERECTORS OF

SCREENING PLANTS, PICKING BELTS, SCREENS,
PITHEAD GEARS.

BUNKERS, ROOFS, STEEL STRUCTURAL WORK, &c.

GAS RETORT INSTALLATIONS, CONVEYING PLANTS.

WALKER BROS. (Wigan)

Codes :—A B C, 4th and 5th, Liebers, Moreing and Neal Mining	Ltd,

Code, Al Universal Mining, Western Union.

ESTABLISHED 1866.

A pair of Corliss Compound Steam Two-Stage Air Com-
pressing Engines, with Valves to Walkers’ Latest Patents.

AIR COMPRESSORS

with Valves to recent
Patents now at work
(or on order) indicating
over

135,000-H.P.

Raising our total output
during 4 0 years to

500,OOO-I.H.P.

Patent Unloading

Device for Power=
driven Plants.

& GENERAL

MINING MACHINERY.

VENTILATING FANS

of the Walker “ Inde-

structible” type.

Capacity of Fans at
work or on order.

100,000,000

cubic feet per minute.

HIGH MECHANICAL

EFFICIENCY

whether driven by
steam or electricity.

WINDING, HAULING

A pair of Four-cylinder Triple Expansion Driving Engines, with
Corliss Valve Gear.

Representatives:—H. L. CHESTON, Clarendon House, Boston Spa, Yorks.

W. OGDEN DAYSON, 1. Mount Street, Swansea, far South Wale*

PAGEFIELD IRONWORKS, WIGAN.

Telegraphic Address: “ Pagefield, Wigan.”