May 1, 1914.

THE COLLIERY GUARDIAN.

947

3-1

KJ----

0"—..

•■, -V*

. ..

182 Inches Diameter.

are employed for every purpose
for which a Fan can be used.
They are high in efficiency, low
in power consumption, and small
in size in comparison to their
capacity.

Centrifugal Fans





gETWEEN THESE TWO FANS,

the wheels of which are shown here,
there are 35 Standard Sizes. One of
them is the size you need to do your work
efficiently.

Write for Bulletin

No. 2002.

TA A VIDSON

17 & Co. Ltd.,

Sirocco Engineering Works,

BELFAST.

. Mar

5 Inches Diameter.

PLOWRIGHT BROS. LTD.,

Brampton Iron Works, Chesterfield.

Speciality—

COAL SCREENING & CONVEYING

pi "

-I

» *.

3z-J

* x

»......... n

lllllii

■■■ i-.-.	1 \

■SECTION OF SCREENING PLANT AT BENTLEY COLLIERY, DONCASTER

CONSIDERABLY OVER





11)11 Pl HIT?

I yy I I®Mill I O AND THE COLONIES
Estimates and Designs on application.

Agent for South Wales: A. LEIGHTON STEYENS, 15, Fields Road, Newport, Mon

HARDY DRILL

HARDY

HIGH SPEED

SPECIAL TOUCH.

In Use
Throughout
the

AND

CAST STEEL

ALL SECTIONS and for

ALL PURPOSES.

CANNOT BE EXCELLED.

The Hardy Patent Pick Co. Ld.

Sheffield, England.

Walter Scott Ltd.

Leeds,	LEEDS STEEL WORKS.	England.

MANUFACTURERS OF

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

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

/ ♦

/ <»

KJ ft

Pit Head Frame.

l Erected in Works
for inspection.

<$> \	8

< V	?

L

ROLLED STEEL JOISTS for PIT PROPS,
FRAMEWORK TO ROADWAYS, Ac.

STRUCTURAL STEELWORK FOR BUILDINGS, &c.

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

Rolls cut for Special Sections and to approved quantities.

I Books of Sections and other information on application.