November 12, 1915.

THE COLLIERY GUARDIAN.

973

MARK

PLOWRIGHT BROS. LTD.,

Brampton Iron Works, Chesterfield.

Induced Draft Fans.

Speciality—

COAL SCREENING i CONVEYING

w









I 'HE Cost of a “ Sirocco ” induced Draft Plant
is about 30 to 40 % of that of a Chimney of
equal capacity. The power to drive the Fan varies
from | to 3 2 of the total power generated, while
the saving frequently amounts to from 15 to 201.

p*.-

SECTION OF SCREENING PLANT AT BENTLEY COLLIERY, DONCASTER.





DAVIDSON & Co. Ltd.,

Sirocco Engineering Works,
BELFAST.

CONSIDERABLY OVER

100 PLANTS H

Estimates and Designs on application.

Agent for South Wales: A. LEI6HT0N STEVENS, IS, Fields Road, Newport, Mon.

WORK IN
BRITAIN
COLONIES.

Walter Scon Ltd.

Leeds,	LEEDS STEEL WORKS,	England.

SUTCLIFFE’S

COAL CUTTERS

MANUFACTURERS OF

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



Pit Head Frame.

v Erected in Works
for inspection.

\

♦ V I

■ j <»

a ®

Example of 10 in. x 6 In. 42 lb. R.3. Joists curved 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 & Flats.

Rolls cut for Special Sections and to approved quantities.

Books of Sections and other information on application.

DISC & CHAIN TYPES, w «he.,,
pattern, for thin or thick seams, with shallow or deep cuts.
Compressed Air or Electrical Drive.

Coal-Face Conveyors, „„ri,aiMin
capacity, constant in work, noiseless in the face and most
easily moved forward.

Roadway Conveyors, which are moved
freely from the face to admit ripping In the gateway.

Hauling Gear, to keep a constant supply of tubs
between the engine plane and coal face with Instantaneous
extension of endless rope.

for conveyors of all kinds.

Thomson’s Non-Overwind,

simplest, safest, surest, and cheapest.

Sutcliffe’s Universal Sounding

& Displaying Signalling

ApparatUS, fully emptying with Regula-

tlon 95 of the MINES ACT.

NOTE.—The above machinery ;s all patented or protected and makers
or users of infringing articles will be liable to be prosecuted.

FULL PARTICULARS FROM

RICHARD SUTCLIFFE,

Universal Works, HORBURY, WAKEFIELD, England.