340

THE COLLIERY GUARDIAN.

August 25, 1916.

AULD’S PATENT

STEAM REDUCING VALVES

Sol
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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 Makers, LTD.

Whitevale Foundry, GLASGOW.



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Quick Delivery

From Stock.



3 MEDIUM AIR MACHINES.

2 SMALL

1 SMALL ELECTRIC „

ELECTRICAL MEASURING &
RECORDING INSTRUMENTS
FOR MINES. . . . . .

Ask for Catalogue.

NALDER BROS. & THOMPSON LD.,
97a, Dalston Lane, London, N.E.

Look for the mark
of Reliability,

HURD COALCUTTER AND ENGINEERING CO.,

Works : 35, Pitt Street, GLASGOW.

EPffOfaStWSHEFFIELD
hwiMuaMMaawwA)

EXTENSIONS TO WORKS

In Wood, Iron, Asbestos or other Materials.

WORKMEN’S	HOSPITALS AND	STORE BUILDINGS

COTTAGES.	ADDITIONS.	FOR ALL PURPOSES.

Large Stocks: ASBESTOS SHEETS and TILES.

PORTABLE BUILDING CO., 46a, Market Street, MANCHESTER.

--SIZES-----

TO CARRY

3 and 5 TONS.

With or Without

Tipping Bodies.

* 4'

I • -

-

Jk

‘ ' A. ® .





MANN’S

STEAM CART &
WAGON Co. Ltd.,

Hunslet,

LEEDS.

London Office :

9, Fenchurch Avenue, E.C.

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THE COTTON POWDER Co. Ld

Manufacturers of Explosives for Mining Purposes.

REX POWDER

NEW PERMITTED EXPLOSIVE
For all kinds of work.

HEAD OFFICE:

24, WALBROOK, LONDON, E.C