506

THE COLLIERY GUARDIAN.

September 4, 1914.

ECONOMY

Notwithstanding the War

and as all our specialities are of
British make there will be no
interruption in the production of

The “ Thermofeed ” Regulator,

The “ Thermofeed ” Pump Governor,

S.E.A. Rings,

S.E.A. Ring Jointing,

AND

The “Rubygage” Indicator.

A series of advertisements ready
for appearance throughout the
Autumn is necessarily delayed,
but there will be no delay in any
other branch of our activities.
The whole of our staff is being
retained, no alteration in price is
contemplated at present, and all
orders will be as carefully and expe-
ditiously attended to as heretofore.

RONALD TRIST & Co. Ltd.,

4, Lloyd’s Avenue, London, E.C.

PATENT

Prop Sharpening Machine

The only machine which produces, at low cost, a
prop no matter of what length or diameter, with
a perfectly round or even point of any desired taper.

By accurate tapering the life of the Pit Prop is more than
doubled.

PIT PROP SHARPENING MACHINE.

ADVANTAGES

5.

6.

3.

4.

1.

2.

Small cost of machine.

Ability to produce a perfectly round or even
point of any desired taper.

Small amount of power required to operate.
Automatic arrangement for disposing of the
waste chippings.

Saving of labour on account of the auto-
matic feed.

Capacity for an enormous output.

---- Full particulars and prices from -

F. OXLEY & CO., baxI?:leervs’tone.

SAFETY

STEAM, MOTOR, BELT, OR ROPE=DRIVEN

AIR COMPRESSORS

From 50 to 15,000 cubic feet

FOR

COLLIERIES, MINES, Etc.

ADVANTAGES;—

SIMPLICITY.

RELIABILITY.

SELF-LUBRICATION.

SMALL FLOOR SPACE.

466'

One of Two 1,400 c.f. Air Compressors in De Beers Mines S.A.

ADVANTAGES •-

DURABILITY.

HIGH EFFICIENCY.

BEST WORKMANSHIP.

MINIMUM MAINTENANCE







BELLISS & MORCOM LIMITED,

Telegrams:	RI U 1VI1	1-4 A 1VI	London Office :

“BELLISS, BIRMINGHAM.”	iJllXIVlllNl V»riZ-%.lVl.	8, VICTORIA STREET, S.W.