July 5, 1918.

THE COLLIERY GUARDIAN.

13

Miners’ Electric Lamps

APPROVED BY H.M. HOME OFFICE.

TYPE 403 M.S

ARRANGE
TRIALS.

SALE OR
HIRE.

“JOEL-FORS” Patent

LIGHT.— Is Candle Power for 12 Hours.

WEIGHT,-^ lb.

CELLS UNSPILLABLE AND INTERCHANGEABLE.

NE WCASTLE-ON- TYNE.

m,llsT'n?wcastle. Established 1828

KEITH MINE FAN PLANT.

STRONG-RELIABLE

---EFFICIENT.---

These are the qualities which make the
KEITH FAN suitable for continuous
service on

MINE VENTILATION,
FORCED & INDUCED
DRAUGHT, SMOKE
REMOVAL, etc., etc.

Complete Schemes Prepared on
■ ......_ Application. ■ ■ —

James Keith & Blackman

———-—i	Co. Ltd. —..

27, Farringdon Avenue, LONDON, E.C. 4.

THE butterley company Ld.

-: PIT TRAM AND WAGON WORKS :-

Uw| Codnor Park, ALFRETON.

Telegrams:
“Smedley, Ironville.”

=■ pit TRAMS in WOOD or STEEL

- fV	"'J

1

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IB?

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OPEN.	CLOSED.

COLLIERY OWNERS and MANAGERS are invited to send for particulars of

The BUTTERLEY PATENT ADJUSTABLE END. A novel idea in pit trams.

Designed to comply with the Coal Mines Act, 1911, and to facilitate loading.

Can be Readily Fixed to Existing Trams. J- Girders Hydraulically Cold Straightened.