June 1, 1917.

THE COLLIERY GUARDIAN.

1057

LANCASHIRE BOILER fitted with SIMPLET CIRCULATOR.

For further particulars of the above, apply

1O%to15%MORE STEAM
OR

THE LONDON SIMPLET ENGINEERING CO. LTD.,

—	20, CULLUM STREET,---------r---

FENCHURCH STREET, LONDON, E.C.

BUMSTED & CHANDLER LTD.

Cannock Chase Foundry and Engine Works,

HEDNESFORD, STAFFS.

Telegrams—“ Bags, Hednesford.”	Telephone—48 Cannock.

FANS

AND
ENGINES

FOR

MINE

Ventila-
tion,
with
Special

Reversing
Doors.

»««««& pucuw Colliery

■ - ■ . ' ■

6'.

High
Speed
Engines

FOR
LIGHTING
and
POWER

Centri-
fugal
Pumps.

Haulage
Gears,
&c.

Above illustration shows our Steel Cased Reversing Fan, which is passing a larger
volume of air than the 40 feet brick-cased fan alongside it.

New Forms, &c., .tXVZYLt

------ Full particulars on application, -----------

THE COLLIERY GUARDIAN CO. LTD., 30 & 31. Furnival Street, Holborn. London. E C 4.

Walter Sgott Ltd.

Leeds,	LEEDS STEEL WORKS,	England.

MANUFACTURERS OF

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

I .$> <8> <$>;<$><$ #

Pit Head Frame.

Erected in Works
k for inspection.

»1«

Example of 10 in. x 6 in. x 42 lb. R.S. Joists curved for Framework to Roadway.

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

STRUCTURAL STEELWORK FOR BUILDINGS, Ac.

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

Rolls cut for Special Sections and to approved quantities.

Books of Sections and other information on application.

JOHN WOOD & SONS, LT"

Engineers, BARLEY BROOK FOUNDRY, WIGAN.

Telephone—No. “ 5 5 ” Wigan.

Telegrams—“ Haulage, Wigan.”

100-H.P. “ENDLESS”

and Improved
“ OUTSIDE-

BAND”
FRICTION
CLUTCH.

yr5



Fitted with

AUTOMATIC BRAKE





Haulage Gears of every type,

WINDING, PUMPING & AIR COMPRESSING ENGINES.