September 1, 1916.

THE COLLIERY GUARDIAN.

435

Walter Scon Ltd.

Leeds,	LEEDS STEEL WORKS	England

WALKER BROS. (Wigan)

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

Code, Al Universal Mining, Western Union.

EST A BL.ISMEU 1866.

MANUFACTURERS OF

BRITISH STANDARD ROLLED STEEL JOISTS, CHANNELS
TRAMRAILS AND PERMANENT WAY RAILS, &o.

AIR COMPRESSORS

Head Frame.
Erected in Works
for inspection.



Example of 10 in. x 6 in. 421b. R.S. Joists curbed for Framework to Roadway.

ROLLED STEEL JOISTS for PIT PROPS,
FRAMEWORK TO ROADWAYS. &c.

STRUCTURAL STEELWORK FOR BUILDINGS, &c.

Mild Steel Blooms, Billets, Slabs, Tinbars, Rounds & Fiats.

Rolls cut for Special Sections and to approved quantities

Books of Sections and other information on application.

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



WINDING, HAULING

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

500,000-1.HP.

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.

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

PAGEFIELD IRONWORKS, WIGAN

Telegraphic Address: “ Pagefield, Wigan.”

JOHN WOOD & SONS, L™

J

Engineers, BARLEY BROOK FOUNDRY, WIGAN.

and Improved
“ OUTSIDE-

BAND”
FRICTION
CLUTCH.

Telephone—No. “55” Wigan.

Telegrams—“ Haulage, Wigan.”

100-H.P. “ENDLESS”

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Fitted with

AUTOMATIC BRAKE











Haulage Gears of every type.

WINDING, PUMPING & AIR COMPRESSING ENGINES.