690

THE COLLIERY GUARDIAN.

October 13, 1916.

the rigid Rib.

no

Pit Head Buildings

THE TRUSSED CONCRETE

64, CAXTON HOUSE, WESTMINSTER, S.W.

more unsightly building

building. On
been erected,
steel not only

Hy-Rib is a Ribbed Steel Lath which needs supports at 10 ft. centres only, and
readily takes 2 in. of cement plaster. Its use ensures the most rapid permanent con-
struction possible, the building costs little or nothing for maintenance and is superior in
every way to the usual type of building.

Illustration shows the Sharlston Colliery
erected on this principle.

Send for Handbook and learn

of its utility.

STEEL C°- LTD-

The nature of the ground in colliery districts necessitates a light weight type of
account of ground trouble many unsightly structures of timber and corrugated iron have
There is no longer any need for this. A building erected with Hy-Rib and structural
gives the desired lightness, but is far more attractive in appearance.

!«»»!!

un







. ■ • ' ,_

CEMENTATION for

WET VIRGIN GROUND

BUMSTED & CHANDLER LTD.

Cannock Chase Foundry and Engine Works,

HEDNESFORD, STAFFS.

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

YEARS of STUDY
and EXPERIENCE
HAYE BROUGHT
MY SYSTEM OF
CEMENTATION
TO PERFECTION.

TO COLLIERY PROPRIETORS.

Shafts sunk, tunnels driven, and
other mining constructions carried
out in difficult and very wet ground
by the best method. Success guar-
anteed.

18 shafts completed in England,
and 7 in progress.

Ferro-Concrete Lining a speciality.

Feeders of water in shafts or levels
effectually treated.

ALBERT FRANCOIS, "do^asteT5

Telegrams— Francois, Doncaster,”	Telephone—408 Doncaster.

H

FANS

AND
ENGINES

FOR

MINE

Ventila-
tion,
with
Special

Reversing
Doors.









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.

PRINCEPS PATENT

“DEFLECTOR” OIL SEPARATOR.

kJ-.’
li
I >. -<

1

Capacity, 300,000 lbs. of
steam per hour,
60" diameter main.

ONE OF THE LARGEST
EXTRACTORS MADE IN THIS
COUNTRY.



PRINCEPS & CO.,

Engineers,

SHEFFIELD.

---------- SUTCLIFFE'S -

COAL CUTTERS,

RISC & CHAIN TYPES, light or heavy pattern, for thin or thick
seams, with shallow or deep cuts. Compressed Air or Electrical Drive.

Coal-Face Conveyors, unrivalled in 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.

Wire Belting, for conveyors of all kinds.	I

Thomson's Non-Overwind, simplest, safest, surest, and cheapest. 3

Sutcliffe's Universal Sounding and Displaying

Signalling Apparatus, fully complying with Regulation 95
of the Mines Act.

NOTE.—The above machinery is all patented or protected, and makers
or users of inf ringing- articles will be liable to be prosecuted.

FULL PARTICULARS FROM

RICHARD SUTCLIFFE,

Universal Works, HORBURY, WAKEFIELD, England.