September 24, 1915.

THE COLLIERY GUARDIAN

647

RAISE

12

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Slower
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WINDING
SIGNALS
“ NON-CUMULATIVE.”

DAVIS’S Self-Contained

SOLENOID BELL

with DIAL INDICATOR.

Patent No. 7638. and Patents Nos. 7241 and
17607 applied for.

Simple, Efficient, Inexpensive.

SEND FOR LIST 41 V.

JOHN DAVIS & SON
(DERBY) LTD.,
All Salma Works, DERBY;
and 17 Victoria St., Westminster, London, S.W.
Phone—240 Derby. Telegrams—** Davis, Derby.”

Compositions Plastic; Silicate of Cotton;) If, J. ORMROYDE,
Asbestos, all kinds; Magnesias, 4c. 5

WE ARE MANUFACTURERS.

Steel Underframe

Railway Car-
riages, Tramcars,
and Wagons of
every description
for Hire and Sale
by Immediate or
Deferred Pay-
ments. Ironwork,
Wheels and Axles.

WAGONS.

Also Wagons with Oak Underframes

Makers of HYDRAULIC PRESSED BOSS
and other WHEELS and AXLES*

PRESSED STEEL BOGIES^

Wagons for
Hire, capable of
carrying Six,
Eight and Ten
Tons, part of
which are con-
structed specially
for Shipping pur-
poses. Wagons
in Working Order
maintained by
Contract.

BRITISH.

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EDWIN LEWIS & SONS,

WOLVERHAMPTON.

Original Inventors & Makers
of Loose Flanged Tubes for
Mining Work.

Are now actually making largely of

Tubular Pit Props

as illustrated here.

OTHER TYPES ALSO MADE AND TO ORDER.

Over timber these props have a much
longer life, give a much greater degree of
safety under actual working conditions,
and are practical and handy for fixing.
Prices and drawings on application.

References on hand.

WORKS—

Patent Iron Tube Works, Monmore Green.
Britannia Tube Works, Bttingshall.

BRITISH.

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SECOND-HAND DALLAS! WAGONS FIT FOR MAIN LINE TRAFFIC.

Sole Manufacturers of Dean & Churchward’s “ EITHERSIDE

BRAKE,” and Marillier’s Patent “ INSTANTER COUPLING."

Tire Birmingham Railway
Carriage & Wagon Co. IztdL.,
WORKS : SMETHWICK, BIRMINGHAM.

Telegrams—“ Lewis, Wolverhampton.**	London Address—143, Cannon Street, B.C.

Telephone—Nos. 15 a 180 Wolverhampton.	Liverpool Warehouse—58, South John St.

Mechanical Engineering of Collieries.

--- By T. C. FUTERS. -

Yol. I., Price 21s. net. Yol. IL, Price 10s. 6d. net.
Supplementary Yolume, Price 10s. 6d. net.

THE COLLIERY GUARDIAN CO. LTD., 30 & 31, Furnival Street, Holborn, London, E.C.

^§oocl ^nOedtment.

PROVENDER Prepared in Half
Time with Half Labour.

DRAWINGS, SPECIFICATIONS, for Complete Plants
from 5 cwt. to 5 tons per hour.

PATENT DUST
EXTRACTORS

PATENT

MIXERS

M

Telephone—3241 (2 lines).



CRUSHERS and
SIFTING
MACHINERY.

Telegrams—** Elevator, Leeds.”

GEORGE PORTEUS,

Engineer, LEEDS.

PRATCHITT

BROTHERS,

Denton Ironworks, CARLISLE.

PUMPING, WINDING and

HAULING ENGINES.

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EVER’S PATENT ATTACHMENT

TO PREVENT

GERMAN MADE GOODS.

We invite Buyers of goods, formerly procured from the Continent, not
now obtainable, to favour us with particulars of their requirements.

We have completed arrangements under which we can give early
delivery, and would be glad to quote competitive prices.

ROWLAND G. FOOT & CO., ^ffi?SRasnd

11, Queen Victoria St., LONDON, E.C.

• itnhi— in

CORRUGATED and FLAT SHEETS and
GALVANISED GOODS; TUB & CORNER PLATES;
AIR PIPES and all Colliery Requirements.

J. SUMMERHILL & CO.,

Beaver Works. WOLVERHAMPTON.

ORM EROD’S

IMPROVED

PATENT SAFETY

LINKS

For the effectual prevention
of Accidents from Over-
winding.

THE BEST AND MOST RELIABLE
SAFETY DETACHING HOOK
YET INVENTED.

Advantages and full particulars
on application.

Sizes up to 10 Tons working

* load in Stock or Progress.

DIPLOMAS OF HONOUR AWARDED
TORONTO, LONDON & OTTAWA,
CANADA, August, September and
October, 1898.

OVERWINDING,

EXCESSIVE SPEED,
OR STARTING IN WRONG DIRECTION.

ABSOLUTE AUTOMATIC CONTROL

DURING FULL PERIOD OF WIND.

CAN BE FITTED TO ANY ENGINE.

PATENTEE 8f SOLE MANUFACTURER—

EDWARD ORMEROD,

Atherton, nr. Manchester.

BEVER, DORLING 8CO. Lre

Makers of all kinds of COLLIERY PLANT.

Telegrams—"Foundry, Bradford." Bowling Ironworks, BRADFORD. Telephone—1644 Bradford
AGENTS -

Northumberland & Durham—Mr. W. E. COWENS, Scottish Union Bldg.., 90, Pilgrim St., NEWCASTLE-ON-TYNE.
South Yorkshire, Derbyshire & Nottinghamshire —

Mr. E. L. ROUSSETT, Caiov Close, Old Brampton, nr. CHESTERFIELD
South Wales-Mr. D. LLEWEIZ IN EVANS, 120, Bute Street, CARDIFF.