1266

THE COLLIERY GUARDIAN.

June 13, 1913.

Transmission by Renold Chains

is not limited to small powers.

150-h.p. Renold Silent Chain standing and in motion.

CHAIN SPEED, 1,180 ft. p.m. RATIO, 4J to 1.

CENTRE DISTANCE, 8 ft. 6 in. CHAIN if in. pitch, 12 in. wide.
WHEELS, 94 T. and 21 T.

Ten Years ago 50 H.P. was considered a fairly heavy drive for Chains.

Now it is quite usual to transmit 200 H.P. by them.

REPEAT ORDERS ARE CONSTANTLY BEING RECEIVED FOR DRIVING

Conveyors,	Haulage Gear,	Skid Gears of
Creepers,	Picking Belts,	Rolling Mills,
Depth Indicators,	Pumps,	and
Elevators,	Screens,	Live Rollers of
Fans,	Tipplers,	Rolling Mills.

Write for 130.page Illustrated Book “Renold Driving Chains and their Use," Dept. 65.

*-■ HANS RENOLD LTD., MANCHESTER.

Appliances

London

PERFORATED PLATES II*
TIPPLERS, SCREENS, PICKING
BANDS WITH AUTOMATIC

Head Office -

Engineers and Contractors for

COAL WASHING & ORE DRESSING.

ALL DESIGNS.
AND COAL LOADING
LOWERING ARM.

MAPS of the BRITISH COALFIELDS,

Published jointly by the COLLIERY GUARDIAN Co. Ltd. and

Messrs. W. & A. K. JOHNSTON.

THE attention of Coal Owners, Coal Ex-
porters, Coal Factors, Coal Consumers
and commercial men generally is par-
ticularly called to the above Maps, which
have been specially prepared, and show the
Collieries and their position with regard to
Railway Communication, Shipping Ports
and Canals.

These Maps will be found to be of incal-
culable value to all connected with the Coal
Trade, either as buyers or sellers; while
manufacturers of Mining Specialities and all
whose business takes them to Collieries will
appreciate their value as a time and money
sav«-r.

Lines of Railways are distinguished by
different colours.

1. Scotland.	3. South Wales.

2. North of England. 4. North Midland.

5. South Midland.

Size of each Map, 35 by 22 in.

PRICES of each Map:—In Sheet, 4s.; Mounted on Cloth, Rollers and Varnished, 6s.
Mounted on Cloth and in Titled Cloth Case, 6s., post free.

30 & 31, FURNIVAL STREET, HOLBORN, LONDON, E.C.

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.

Write for
particulars to

JOHN WOOD & SONS

Ltd.,

Telephone : 55 Wigan.

Engineers, WIG AN

Telegrams : “ Haulage, Wigan.”