946

THE COLLIERY GUARDIAN.

May 9, 1913.

FANS

For Mine Ventilation,
Induced Draught, &c., &c.

• ;

■

We also Specialise in

DUST REMOVAL & COLLECTION,
FORGES, HIGH PRESSURE FANS,
SINKING FANS, PIPING, &c.

The STANDARD ENGINEERING Co. Ld ,

LEICESTER.

'..-.J. XkEM LIE’Y'Mark

STANLEY’S NEW MODEL COLLIERY
TRANSIT THEODOLITE,
specially designed for Colliery Surveying.



The largest manufacturers of
Surveying and Drawing Instruments
In the World.

Drawing Office Stationery supplied
on the most favourable terms. A
very large stock kept...

Please send for a copy of our “K 12”
Catalogue (post free), and compare our
prices with those of other first-class
makers.

W. F. STANLEY & Co. Lo.

Export Dept.—Great Turnstile,
Hol born, W.C.

Head Offices & Show Rooms—
286, High Holborn, London, W.C.

CHAINS & GAINS.

Renold Chain Drive transmits 98 °/o power con-
tinuously.

Renold Chain Drive is unequalled for power trans-
mission in awkward, damp or oily places.

Renold Chain Drive runs sweetly and smoothly.

Renold Chain Drive takes up little room.

Write for 130-page Illustrated Book, “ Renold

Driving Chains and Their Uses. Free.

HANS RENOLD LTD., Dept. 65, Manchester.

665

E/215

NO MORE PIT CAGE ACCIDENTS!

Ascending
and
Descending
Cages
Safeguarded.

No
Interference
with
Winding.

Starting
in the
Wrong
Direction
Prevented.





Safety
assured
with

‘THE
VISOR.

The most

Effective

Machine on

the

Market.

Over 200
at work.

particulars to JOHN WOOD & SONS Ltd.,

Telephone : 55 Wigan.

Engineers, WIGAN

Telegrams : “ Haulage, Wigan.”