October 16, 1914.	THE COLLIERY GUARDIAN.	807

Waste

tain

Machine Stokers ?

and send i

us

on

•—turn it into

growing moun-

“ Bennis" Self- cleaning
Compressed - Air Furnaces
can be adapted to Hand
Firing if necessary.

The “EXHALL” OVERWIND PREVENTER

(Jackson & Staley’s Patent).

Any Engineman can understand it after once seeing it in operation.

(1.) Effectually prevents the Cage being dashed into the sump boards when men are being lowered.

■■I

&
*

I*

r*

»

v 1*1

(2)	. The Engineman cannot start in the wrong direction.

(3)	. The Engineman cannot exceed any predetermined

speed in winding.

(4)	. Steam is shut off if winding at high speed continues

too near the end of the wind.

(5)	. There are two independent mechanisms, either of

which shut off steam and apply the brakes to
prevent overwinding.

(6)	. After the action of the machine in preventing an over-

wind it can be set ready for re-use by one man, and

Adopted by OVER 120 COLLIERIES,

among which are

The Lilleshall Co. Ltd... ...	8 machines.

The Weardale Steel, Coal & Coke Co. Ltd. ...	7 machines*.

The New Hucknall Colliery Co. Ltd. . 6	machines.

&c

Sole

NORTONS (TIVIDALE) LTD.

Hecla Works, Tipton, ENGLAND.

Allen’s Stone Dust Making Plant

has many advantages over other types.

Write for full particulars I

Edgar Allen & Co. Limited,

Imperial Steel Rories,
SHEFFIELD.