Octobee 25, 1918.

THE COLLIERY GUARDIAN.

847

JohnTonks&C0- OHHJO

Manufacturers of
SPRINGS & SPRING WASHERS
For Engineering & General Use.

QTCE| FOR ALL
□ I tCL PURPOSES

DAISY STEEL & SPRING WORKS,
Daisy Walk, SHEFFIELD.

Telegrams—“ Tone., Sheffield." Telephone—4179 Central.

No. 1.	No. 2.	No. S.

Gun Metal Wheel Valve.

Brass, Gun Metal, and Phosphor Bronze Castings.

SAMUEL BIRKETT & SONS (Cleckheaton)

Lion Brass Works, CLECKHEATON. LTD-

j

/

'onlroller







DON’T wait for compulsion.

Get the utmost efficiency out
of your boiler plant by in-
stalling “ Bennis ’’MachineStokers
which have for years been burning
low quality fuels with complete
success. Recent tests show unique
records in steam production from
Slack & Coke Breeze.

Ask us to send full particulars,
or, better still, put your whole
steam problem . up to us. Our
expert engineers will examine and
report free of all expense to you.

Catalogues free on application.

Ed. Bennis & Co. Ltd.

Little Hulton, Bolton ; & 28, Victoria St.. S.W.l.

THIS LAMP INSURES SAFETY FIRST—AND LAST!

■::ls

• < '

-



The Hailwood Combustion

Tube Lamp

Is the ideal mine safety lamp, the most efficient gas detector,
the choice of the British, French, and American Governments.

No matter from what point you judge a mine lamp, the
Hailwood will best meet your requirements.

You will find it to be safer than any other flame safety lamp
obtainable.	.

Its 1} to li candle power will convince you that the Hail,
wood is a safety lamp worthy of the name.

Few parts, simple construction, and light weight, 31 lbs.
50% to 100% cheaper than anelectric lamp, and less trouble,
some.

100,000 supplied or on order.

Sole K rVDAVn JPr	T	The World’s Safety

Makers	21 vILIyU I JJ	■> JL JLi X	Lamp Experts,

Beacon Works, MORLEY, nr. Leeds.

Telephone No.—86 Morley.	Telegraphic Address—“Lamps, Morley, Leeds.**