March 28, 1913.

THE COLLIERY GUARDIAN.

637

STANLEY’S NEW PATTERN
TRANSIT THEODOLITE.

TRADE



STANLEY

The largest manufacturers of
Surveying and Drawing Instruments
In the World.

Drawing Office Stationery of all kinds supplied
on the most favourable terms
A very large stock kept.

Please ask for our “Kia” Catalogue,
and compare our prices with those of
other first-class makers.

W. F. STANLEY & Co. Lo.

Gt. Turnstile, Holborn, London, W.G.

Head Office & Show Rooms—

286, High Holborn, W.C.

WAILES, DOVE & Co.’s
Patent BITUMASTIC Solution

-------------- GIVES ---
PERMANENT PROTECTION FROM
CORROSION TO ALL IRONWORK.

A BRILLIANT BLACK COLOUR.	SUPPLIED READY FOR USE.

EASILY APPLIED BY UNSKILLED LABOUR.

CHEAPER THAN ORDINARY OXIDE PAINTS, OWING TO ITS
GREATER COVERING CAPACITY AND LASTING QUALITIES.

WRITE FOR PAMPHLET OF FULL PARTICULARS TO-
Head Office NEWCASTLE-ON-TYNE.
Also at London, Liverpool, Manchester, Glasgow, Cardiff, Birmingham, Leeds,
Hull, &c.
Every Office on the Telephone.	- Telegrams “BITUMASTIC.”

PLOWRIGHT BROS. LTD.,

Brampton Iron Works, Chesterfield.

Speciali ty

COAL SCREENING & CONVEYING.

ml li!







aacnoN of screening plant at bentley colliery, Doncaster,

CONSIDERABLY OVER

4 Aft Al 9 91 Tft	n°w at work in

100 PLAITS —=

Estimates and Designs on anplication.

Agent for South Wales: A. LEIGHTON STEVENS, 15, Fields Road, Newport, Mon.

Brussels Exhibition : “ Grand Prix:” Allahabad, 1910.
Roubaix Exhibition, 1911: “Grand Prix.”

Walter Scott Ltd.

Leeds,	LEEDS STEEL WORKS.	England.

MANUFACTURERS OF

BRITISH STANDARD ROLLED STEEL JOISTS, CHANNELS,
TRAMRAILS AND PERMANENT WAY RAILS, Ac.

Head Frame.

Erected in Works
for inspection.

Example of 10 in. x 6 in. - 42 lb. R.S. Joists curved for Framework to Roadway.

ROLLED STEEL JOISTS for PIT PROPS,
FRAMEWORK TO ROADWAYS, &c.

STRUCTURAL STEELWORK FOR BUILDINGS, &c.

Mild Steel Blooms, Billets, Slabs, Tinbars, Rounds & Flats.

Rolls cut for Special Sections and to approved quantities.

Books of Sections and other information on application.

PATENT

Sheltered Seat Trycock

-------------------------------- For --

WATER

Fig. 6685.

ADVANTAGES

NO ASBESTOS PACKING
TROUBLES.

No plugs to work loose
and leave the packing faces,
causing cutting and leakage.

No circular action to cause
grooving.

Easy method of operating,
as there is no packing fric-
tion to overcome.

Is not affected by expan-
sion.

Large outlet for discharge
of sediment, &c.

Self Cleansing.

Main valve opened and
closed at atmospheric pres-
sure, which overcomes the
cutting action of the steam
and water at the point of
opening and closing.

B
|

SPECIFY FIG. 6685

Sent on Approval.

VALVE AND SEAT OF

HOPKINSON’S “PLATNAM”

METAL.,
which does not cut and score
like gunmetal & other alloys.

Upwards of 500 tons of Standard Steel Castings kept in Stock.

W'c can give immediate delivery of Iron and steel valves.
Write for ilustrated specifications and catalogues free.

J. HOPKINSON & C° LD Huddersfield.

Jfalcer* of Patent Safety Boiler Mountings anti Valves
For High Pressure Superheated Steam, High-class Exhaust and Water Sluice
Valves for Condensing Plants, &c.. Automatic Exhaust Valves, Reducing
Valves, Steam Traps, &c., &c.

Depots and Showrooms—London, Glasgow, Edinburgh, Cardiff.
No. 236. Oldham, Blackpool, Paris & St. Petersburg.