November 10, 1916.

THE COLLIERY GUARDIAN.

935

ELECTRIC SIGNALLING

WITH

BARE WIRES.

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Walter Scon Ltd.

Leeds	LEEDS STEEL WORKS	England

DAVIS-MACDONALD

Solenoid Bell

(Tremulous Action).

Patent No. 23211.

With this BELL there is

NO POSSIBILITY
of a SPARK.

SUITABLE FOB A.C. OR D.C.

Davis’s Relays with Special Winding, overcoming sparking on the line.

Davis=Fryar Mechano=Electric Signalling.

*—®
D

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

SEND FOR LIST 41/H.O.S.

JOHN DAVIS & SON (DERBY) LTD,
ALL SAINTS WORKS, DERBY, & WESTMINSTER* S?W.

MANUFACTURERS OF

BRITISH STANDARD ROLLED STEEL JOISTS, CHANNELS,
TRAMRAILS AND PERMANENT WAY RAILS, &c-

Example of 10 in. x 6 in. 421b. R.S. Joists curved for Framework to Roadway.

ROLLES STEEL JOESTS for PIT PROPS, ;

FRAMEWORK TO ROADWAYS. &c.

/ <*■
/ <»

® J

a 8

Pit Head Frame,
v Erected in Works
for inspection.

<£ \

V

i-

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STRUCTURAL STEELWORK FOR BUILDINGS, Ac.

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

Rolls cut for Special Sections and to approved quantities.

Books of Sections and other informa'ion on application.

GERMAN MADE GOODS.

We invite Buyers of goods, formerly ^procured from the Continent, not
now obtainable, to favour ub 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., SNREAEc?gR*sn‘1

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

COLLIERY OWNERS MANUFACTURING BRICKS

SHOULD SUBSCRIBE TO

THE BRITISH CLAY-WORKER

The Organ of the Brick and Tile Trades.

Published Monthly. Subscription : 8s. per annum, post free.
Send for Specimen Copy to the Publisher,
(he BRITISH CLAY-WORKER, 43, Essex-St., LONDON, W.C.

Sept. 15th, from 2	in.	to 4 in.

Black Gas ......................... 62	miles

Red Steam .................. 5 0	„

Galvanised Gas	............ 40	„

Galvanised Steam	............ 21	„

TOTAL	STOCK	173	miles

Send Specification for Prices.

Round Wire and Cut Nails.

Warehouses :

Leeds, and Trafford Park, Manchester.

S. DIXON & SON LD.,

Swinegate, LEEDS.

Telegrams—“Brass, Leeds.”	Phone—3600 (3 lines).

Indian Mines Act, 1901, with a Digest of
the Act, a reprint of the Act with explanatory notes»an appendix con-
taining forms, a model code of Special Rules, &c., by W. H. Pickering,
Chief Inspector of Mines in India, and W. Graham, Barrister-at-Law.—
Price 10s. 4d. post free from Colliery Guardian Office. 30 h 31. Fumival-st,
Holborn. London. E.C..

Brand

Telephone	Address:

Bell: 829.	,'^||||? “Vinco, Glasgow.”

“Vine o”

Miners’ & Sinkers’

OILSKIN CLOTHING

A Special Feature. At Keenest Prices. >

Everything in Oilskins for Town 8 Country Wear.

M. BARR & Co. Ld.

83, Hutcheson St., GLASGOW.

Contractors to the JRLd>-n.ix?a,l.t;y
Xuxn.evou.8 Corporations.

The Cambrian Approved Double
Glass Lamp. No. 1 C.G.

I I	I

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Telephone:	Telegraphic Address:

No. 7 Aberdare.	“Lamps, Aberdare.”



Approved (Flame)
SAFETY LAMPS

To meet the requirements
of the new Mines Act.

The CAMBRIAN

Fitted with Magnetic, Pneu-
matic, or Lead Locks, Electric
Ignition, and Double Gauzes.

Our Flame Safety Lamps give
a greater Candle Power than
any Miner’s Electric Lamp.

MAKERS OF THE

NEW MAGNET UNDERGROUND

PATENT SAFETY LAMP RELIGHTERS.

E. THOMAS &
WILLIAMS Ltd.,

Cambrian Lamp Works,

Giving a bright light at the end
of the shift =11 C.P.

Aberdare, South Wales.