June 7, 1918.

THE COLLIERY GUARDIAN.

1137

Miners’ Electric Lamps

APPROVED BY H.M. HOME OFFICE.

TYPE 403 M.S

CELLS UNSPILLABLE AND INTERCHANGEABLE.

ARRANGE

TRIALS.

SALE OR
HIRE.

“JOEL-FORS” Patent

NE WCASTLE-ON- TYNE.

“MILLS, NEWCASTLE.” Established 1828

LKGHTs—11 Candle Power for 12 Hours,

WEffGHTa-4$ lb.

SB



KEITH MINE FAN PLANT.

STRONG-RELIABLE

ISS

■

-----EFFICIENT.--------

These are the qualities which make the

KEITH FAN suitable for continuous
service on

a	MINE VENTILATION,	a

■	FORCED & INDUCED	■

a	DRAUGHT, SMOKE	a

ffi	REMOVAL, etc., etc.	a

Complete Schemes Prepared on

■	Application.	-

James Keith & Blackman

Co. Ltd. mssmanaamamm.

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

THE BUTTERLEY COMPANY LD„

Telephone:

No. 67, 68, & 69, Ripley.

--PIT TRAM AND WAGON WORKS :--

Codnor Park, ALFRETON

Telegrams :
“ Smedley, Ironville.”

j=s pit TRAMS in WOOD or STEEL









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.	Girders Hydraulically Cold Straightened.