March 9, 1917.

THE COLLIERY GUARDIAN.

503

THE G0SF0RTH FOUNDRY CO. LTD

Dronfield, near Sheffield.

Malleable Ironfounders,

Makers of all kinds of Driving and Elevator Chains, Sprocket Wheels, Elevator Buckets, &c.

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

12

RAISE,

Slower
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WINDING
SIGNALS
“ RON-CUMULATIVE.”

DAVIS’S Self-Contained

SOLENOID BELL

with DIAL INDICATOR.

Simple, Efficient, Inexpensive.

SEND FOR LIST 41V.

JOHN DAVIS & SON
(DERBY) LTD.,
All Saints Works, DERBY;

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

Phone—2<0 Derby. Telegrams—“ Davis, Derby.”

Steel Underframe

Railway Car-
riages. Tram ars,
and Wagons of
every description
for Bir- and Sale
by Immediate or
Deforrod 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.

SECOND-HAND BALLAST WAGONS FIT FOR MAIN LINE TRAFFIC.

Sole Manufacturers of Dean & Churchward’s “ EITHERSIDE

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

The Birmingham Railway
Carriage &> Wagon Co. Ltd.,
WORKS : SMETHWICK, BIRMINGHAM.

Telegrams—“Carriage, Smethwick.”	Telephone—No. 296 Smethwick (4lines).

MECHANICAL ENGINEERING OF COLLIERIES. T. c. Xers

Vol. I.. Price ais. net (By post 21s. 81. .	Vol. 11., Price ios. 6d. net (By post He.).

SUPPLEMENTARY VOL.-Price ios. 6d. net (By post Ils.).

THE COLL1EEY GUARDIAN CO. LTD., 30 4 31, Furnival Street, llolbnrn, London, E.C.

Walter Scon Ltd.

Leeds	LEEDS STEEL WORKS	England

MANUFACTURERS OF

BRITISH STANDARD ROLLED STEEL JOISTS, CHANNELS,
TRAMRAILS ANO PERMANENT WAY RAILS, &0,

(GEORGE FLETCHER&CO.LTD

SPECIALISTS IN DERBY
COLLIERY, MINING & CEMENT
WORKS PLANT.

Example of 10 in. x 6 in. 42 lb. R.S. Joists carved for Framework to Roadway.

/ *

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J
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Pit Head Frame.

. Erected in Works
lA. for inspection.

♦	\	I

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ROLLED STEEL JOISTS for PIT PROPS,
FRAMEWORK TO ROADWAYS. Ac.

STRUCTURAL STEELWORK FOR BUILDINGS, Ac.

Mild Steel Blooms, Billets, Slabs, Tlnbars, Rounds & Flats.

Rolls cut for Special Sections and to approved quantities

8ooks of Sections and otner information on application.

UNDER GOVERNMENT CONTROL.

MINE FANS

For any Volume or Water Gauge.



ARRANGED TO REVERSE THE AIR CURRENT.

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arg	1007

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This Fan handles 500,000 c.f. Air at 7 in. w.g., and Reverses the Air Current.
In Standard Sizes for any duty.



London Office : 21, Mincing Lane.

nr O I rjphone : 817 (2 lines).	’Phone: 2813 Avenue.

I CL.Cgrams: “Amarilla, Derby."	'Grams: “Amarilla, Fen, London.”