1026

THE COLLIERY GUARDIAN.

June 1,

1917.

.Ill

II!}

Illi

Sb

; life

'^..lli

3£®

^.s

NATIONAL PHYSICAL LABORATORY and QI A 01*1(1(11 fSILICfiTEl to be the most efficient non-conductor extant
BOARD OF TRADE TESTS, &c , PROVE dLAUflUUL \COTTON / for all purposes to conserve heat and save fuel.

WILL STOP* SPREAD OP FIRE. UNAFFECTED BY FLAME HEAT.

J. C. BROADBENT & CO. LTD., REDCAR.

cP Y/ Metal Merchants.

*

Telegrams—	/

METALLOID. /
\ s A* A

J. S. UNDERWOOD « O’

Mm Mill Row, SHEFFIELD.

Telephone-

X 3573.

TUBE MANUFACTURERS

EDWIN LEWIS & SONS LTD., WOLVERHAMPTON.

Works: MONMORE GREEN and ETTINGSHALL. LIVERPOOL Warehouse: 58, SOUTH JOHN STREET.

Telegrams: “LEWIS, WOLVERHAMPTON.”	Telephone: N». 1147 WOLVERHAMPTON (Private Branch Exchange).

AULDS PATENT

STEAM REDUCING VALVES

WIRE SCREENS

ALEX. COUSlflND o SON
3,MITCHELL ST, GLASGOW

ALL
MESHES
OF ANY
GAUGE
OF
WIRE

ALL
KINDS
OF
WIRE
SCREENS

(IfIP and COLLIERY TUBS

In IRON, STEEL and WOOD.

Lower Gornal, nr. Dudley.

Telegrams—“Allen, Lower Gornal.” Telephone—2106 Dudley.

Also Makers of Special FULL BORE
Patent Steam Reducing Valves for
Blowing, Winding, Pumping and other
Engines, and for supplying Surplus or
other steam from high to low pressure
boilers, &c.	__________________

DAVID AULD & SONS,

Patentees A” Makers, LTD.

Whitevale Foundry, GLASGOW.

COLLIERY AIR PIPES

ALFRED ALLEN & SON

Makers ot	LTD.



GREENWOOD & BATLEY Ltd.,
ALBION WORKS, LEEDS.

Telephone—5200 LEEDS.	I Telezramn—"GREENWOOD. LEEDS.”



STEAM TURBINES

HIGH PRESSURE—EXHAUST STEAM,—MIXED PRESSURE.
FROM 3-B.H.P. TO 600-B.H.P.

Part of order for
totally enclosed gas-
proof Mining Motors
with ball bearings and
plate glass spy holes.

.febsi

JSk

, ■■ ■

,Y . ■	'

1 i? "Vf: SL ' . ■

...........,

■ ■ M

ELECTRIC MOTORS

PATENTED

BUCKETS

NEVER

PASS

-If —
your water

tfP' ent! of pump
gives you trouble,
Write us for List B.

PUMP BUCKETS

Ports to admit pressure '■>

4^
Flexible
"rings

The Rings are Flexible, they Expand
Automatically to Pressure, are Always
Tight, are not Split, do not cause Uneven
Wear, Reducing Friction to a Minimum.

SOLE PROPRIETORS:

D6JCIN6" Ltd., Stratford, London, E. 15

Telegrams:	Telephone:

“ Dexine, Stratford, London.”	355 Stratford.

AND GENERATORS, A.C. AND D.C. FOR ALL PURPOSES.