60

THE COLLIERY GUARDIAN.

January 11, 1918.

PROTEGTTON EDGE

LAMINATED

Squill

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EFFICIENT POWER

can only be secured by using

the right type of driving belt.

*

The Ideal Belt for Planing Machines and all drives
with constant belt-fork action, is the TULLIS PATENT
PROTECTION EDGE LAMINATED BELT.

It transmits the full power without slip and
answers immediately to the touch of the belt-
fork, changing pulleys with surprising rapidity.

The Drive illustrated is to a Planing Machine which in-
creased its output 20 % when this Belting was installed.

Try a TULLIS BELT next time.

John Tullis & Son Ltd.

Belting Specialists,

St. Ann’s Works, GLASGOW.







NEWCASTLE

BIRMINGHAM LEEDS
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THE COTTON POWDER C B

Manufacturers of Explosives for Mining Purposes.

REX POWDER

NEW PERMITTED EXPLOSIVE |

For all kinds of work.	I

Head Office: 24, WALBROOK, LONDON, E.C. 4. |