1206

THE COLLIERY GUARDIAN

June 29, 1917.

NATIONAL PHYSICAL LABORATORY and QI A AlAT (1(11 /SILICATE1 to the most efficient non-conductor extant
BOARD OF TRADE TESTS, &c., PROVE OLnUWUUL \ COTTON } for all purposes to conserve heat and save fuel.

WILL STOF" SPRFAD OF FIRE. UN AFFECTED BY FLAME MEAT.

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

ENQUIRIES
Solicited.

J. S. UNDERWOOD i C”

Cotton Mill Row, SHEFFIELD. ,

Telephone—	Telegrams

\ 3573.	METALLOID. / X

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,rOn’ X
V Steel and X.

cP	Metal Merchants.

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The PREMIER Screen in the WORLD

is Norton’s Patent Horizontal Main Screen



REQUIRES NO SPECIAL FOUNDATION.

Will work continuously WITHOUT BOLTING DOWN.

Will Screen more efficiently than any other screen.

Over 150 Screens now at work.

For PERFECTsizing&loading

USB

PULSATING CONVEYORS

AND

PULSATING LOADING JIBS

(NORTON’S PATENTS).

NORTON’S PATENT HORIZONTAL MAIN SCREEN AND COMBINED PICKING
CONVEYOR, fitted with our Patent Air Cushioning Cylinders.

The Screen illustrated is 5 ft. 6 in. wide, having four decks, and will deal with 125 tons of
coal per hour separated into four sizes, and passing the large coal without any fall to
the Picking Conveyor.

NORTONS (TIVIDALE) Ltd.,

HECLA Works, Tipton, England.

AULDS PATENT

STEAM REDUCING VALVES

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 Sf Makers, LTD.
Whitevale Foundry, GLASGOW.

A. A. TATTERSA.LL & Co., Makers, Blackburn.

We make Emery wheels and Corundum wheels
from 1 in. to 48 in. dia., also machines.

On War, Admiralty, and
Crown Agents’ List.

Estab. 1893.

/May we quote you ?

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ALFRED ALLEN & SON

LTD.

Makers or

COLLIERY AIR PIPES

and COLLIERY TUBS

In IRON, STEEL and WOOD.

Lower Gornal, nr. Dudley.

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

ALL WANTS SUPPLIED

ENGINEERS’ TOOLS.

Steel, Files, Saws, Augers, Twist
Drills, Reamers, Stocks, Dies and
Taps, Hammers. Spanners and
Wrenches, Tube Expanders, Vices,
Ratchet Braces, Shovels, Picks, &c.

POWER TRANSMISSION.

Shafting, Hangers, Bearings, and
Pulleys.

BELTING.

Leather, Balata, Cotton, Hair
and Rubber.

FITTINGS.

W. I. Tubes and Fittings, Weld-
less Steel Tubes, Iron Valves,
G.M. Steam and Water Fittings,
Boiler Mountings, Lubricators,
Injectors. Feed and other Pumps.

STORES.

Colliery and Steel Works Requi-
sites of all kinds. Asbestos and
I.R. Goods, Steam and Hydraulic
Packings, White Metal, Electrical
Sundries, &c., &c.

-- ENQUIRE FOR LIST AND STATE YOUR REQUIREMENTS. -

The MIDLAND MANUFACTURING GO.,Ltd

CELTIC WORKS, SHEFFIELD.