494

THE COLLIERY GUARDIAN.

September 15, 1916.

THE BRITISH EXPLOSIVES SYNDICATE LTD. 124-ST VINCENT STREET GLASGOW
------------------------------.
THAMES POWDER N° 2
Charge Limit 22 Ounces

- NEEDS NO THAWING



PRINCEPS PATENT

“DEFLECTOR” OIL SEPARATOR.

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,

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

OoaloFace 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.

Raiding 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. ij

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 ringring- articles will be liable to be prosecuted.

FULL PARTICULARS FROM

RICHARD SUTCLIFFE,

Universal Works, MORBURY, WAKEFIELD, England.

SURVEYING INSTRUMENTS

Davis’s

Cranked

Dial.

Theodolites,

Levels,

Barometers,
etc.

is (200

&

Established 1800.	—	Telephone No. 577

BRASS TIME CHECKS

JOHN LAWSON & SONS,

Manufacturers of every kind of

STEEL STAMPS, LETTERS,
FIGURES, BRANDS, STENCIL

PLATES, Ac.

Roebuck Letter Works, 26, Carver Lane, SHEFFIELD.

MNOPQ

Save Money - Save Coal - Save Steam

By adopting FORREST’S PATENT AUTOMATIC

Cylinder DRAIN COCKS
on your Compound, Winding, Hauling, and all
your Stationary Engines, Steam Winches, &c.

(Thousands in use), now fixed on most new Engines
turned out by leading Engineers.

The Safest Automata; Drain Cock ever fixed on Com-
pound Condensing Engines, most positive inaction.

Makers of High class Gunmetal Gland Taps.

Wheel Valves, &c,

I . r» ;
± Patent ?
£ ®
.•Jesses -*

Class B

APPLETON &

For Prices, Particulars and Testimonials, apply Sole Makers,

Engineers. and ST. HELENS, LANCS.

Contractors to the War Office.

DAVIS’S IMPROVED HEDLEY DIAL WITH CRANKED LIMB,
ENAB ING SIGHTS TO BE TAKEN TO ANY DEGREE FROM
LEVEL TO 90 DEGS. UP OR DOWN.

Davis’s Surveying Instruments
are used in the majority of Mines in the
United Kingdom, the Colonies, and other
parts of the World.

PLOTTING INSTRUMENTS

for Railways, Mining Engineering, and Field work.

SEND FOR LIST No. 411 A.

JOHN DAVIS & SON

CEMENTATION for
WET VIRGIN GROUND

YEARS of STUDY
and EXPERIENCE
HAVE 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.

(Derby) LTD.

ALL SAINTS WORKS, DERBY;

& 17, Victoria St., Westminster, London, S.W.

Telegrams—** Davis, Derby.” Te'ephone—240 Derby

ALBERT FRANCOIS,

Telegrams—“ Francois, Doncaster,”

White House Chambers,
DONCASTER.

Telephone—4 08 Doncaster.