556

[supplement PAGE IV.]

THE COLLIERY GUARDIAN.

March 15, 1918.

THE BRITISH EXPLOSIVES SYNDICATE LTD. 124-ST VINCENT STREET GLASGOW

THAMES POWDER N° 2

Charge Limit 22 Ounces

PRINCEPS PATENT

“DEFLECTOR” OIL SEPARATOR.

IB

ONE OF THE LARGEST
EXTRACTORS MADE IN THIS
COUNTRY.

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

PR1NCEPS & CO.,
Engineers,
SHEFFIELD.

——— SUTCLIFFES --------------------—-

COAL CUTTERS,

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

Goal-Face Conveyors, unrivalled in capacity, constant in work,
noiseless in the face and most easily moved forward.

Hoadway 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.

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

Sutcliffe's Universal Sounding and Displaying

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

NOTE.—The above machinery is 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.

GOODALL, CLAYTON & Co. Ln

Electric Signalling Bare Wires

Telegrams :—
“ Vertical, Leeds/’

Telephone :—1982, Leeds.

V

,-u- •••

<

LEEDS.

DAVIS’S
SPECIAL
BELLS.

TREMULOUS
OR
SINGLE

STROKE.

Patent.





With these
BELLS
there is
NO
POSSIBILITY
of a
SPARK.

Suitable for
A.C. or D.C.



Davis’s Relays with SPECIAL WINDING,
overcoming sparking on the line and in the Relay.



Davis=Fryar Mechano=Electric Signalling.

Patent.

MAKERS AND ERECTORS OF

SCREENING PLANTS, PICKING BELTS, SCREENS,
PITHEAD GEARS.

BUNKERS, ROOFS, STEEL STRUCTURAL WORK, &c.

GAS RETORT INSTALLATIONS, CONVEYING PLANTS.

Representatives:—H. L. CHESTON, Clarendon House, Boston Spa, Yorks

W. OGDEN DAYSON. 1. Mounl Street Swansea for South Walot

«—

D

~ B

The Davis-Fryar System dispenses entirely with bare wires and is in
successful operation throughout the country.

SEND FOR LIST 41 HOS

JOHN DAVIS & SON (DERBY) LTD,
ALL SAINTS WORKS, DERBY, & Westminster', Vw. i