November 22, 1918.

THE COLLIERY GUARDIAN.

1073

“JOEL-FORS” Patent

Miners’ Electric Lamps

PLOWRIGHT BROS. LTD.,

Brampton Iron Works, Chesterfield.

APPROVED BY H.M. HOME

OFFICE,

Speciality-

COAL SCREENING t, CONVEYING



'■j'

"—Lr

SALE OR
HIRE.

ARRANGE
TRIALS.

I

TYPE 403 M.S

LIGHT.—Mi Candle Power for 12

Hours,

WEIGHT.—lb.

■V-
.V

V

fill

PL?-.

Lw-

f

SECTION OF SCREENING PLANT AT BENTLEY COLLIERY, DONCASTER.





CELLS UNSPILLABLE AND INTERCHANGEABLE.

JOHN MILLS & SONS

NE WOASTLE- ON- TYNE.

“MILLS, NEWCASTLE.” Established 1828

CONSIDERABLY OVER

NOW AT WORK IN
GREAT BRITAIN
AND THE COLONIES.

Estimates and Designs on application.

“IRONITE”

Registered Trade Mark.

BRAND CEMENT for

Entirely British

FLOORING

Wearproof, Dustproof, Waterproof, Greaseproof.

Engineering and

Machine Shops

Quays

Garages

THE IDEAL

Factories

Foundations

Power Stations

Railway Platforms

FLOORING FOR

Gas Works
Water Works
Reservoirs
Bunkers

Gantries

Head Gear Framing,
Etc.

av'-

Factory Roof rendered tight with Ironite.

Also “IRONITE” BRAND CEMENT FOR

WATERPROOFING

Renders at a VERY LOW COST all kinds of Buildings Absolutely Waterproof and
Oilproof against heavy pressure.

Contractors to the War Office, Admiralty, and other Government Departments.

Full particulars apply to

THE IRONITE COMPANY LTD.

(Managers—S. THORNBLY MOTT & VINES, Ltd.),

11, Old Queen St., Westminster, London, S.W. /,

Telegrams: “ Thormotvin, Vic, London.”	Telephone: Victoria 5618.

Sole Indian Agents—HEATLY & GRESHAM Ltd.: Calcutta, 6, Waterloo St.; Bombay, 75, Hornby Rd.

HOPKINSON

■wiT-rrTvi»^T»nni———wirmwr-

VALVES

FOR SUPERHEATED STEAM.

FIGURE 8500.

THE

SUPERO

VALVE

STEEL BODY & LID.
VALVE AND SEAT
OF PLATNAM METAL.

SIZES :

1"	3"	1 " 11"	11"

2 9 "4 9 X 9 A 4 9 * 2

J. HOPKINSON & CO., LTD.,
BRITANNIA WORKS,
HUDDERSFIELD.

LONDON - GLASGOW - PARIS - PETROGRAD.

No. 431.