1328

[supplement PAGE XIV.]

THE COLLIERY GUARDIAN.

December .20, 1918.

M. COULSON ltd!;

SPENNYMOOR,

= MAKERS OF	=

Coal

and Screening Plant

Machinery

Gas Works & Chemical Works Plant

Ash Washing and

&C.J &c.

450 HP MAIN AND TAIL HAULAGE GEAR.

SPECIAL Self-contained MACHINE for CORRECT GRINDING of

STONEDUST

For FIERY WORKINGS.

BRICKMAKING
MACHINERY

Suitable for COLLIERY SHALES.

Richard Scholefield, Leeds.

'Phone 1513.	ENQUIRIES SOLICITED. Wire “Brick, Leeds."

THE JUDGE

OF THE

BOILER PLANT.

The “Lea” Recorder, illustrated opposite
\ by measuring your Boiler Feed Water
1 continuously, would enable you to determine
the “ lbs. of water evaporated per lb. of coal
burnt,” and so to judge the efficiency of
your plant.

The following is a typical lettei received from one of our clients :

“The Recorder which you installed for us some time back, has proved
very useful, and the information received from it has enabled us to
improve the efficiency of the Boiler Plant, and also to reduce our coal
bill.”

PARTICULARS, PLANS & QUOTATIONS CAN BE OBTAINED FROM:—

THE LEA RECORDER CO. LTD., 28, Deansgate, MANCHESTER.

NEVER	PASS.

PATENTED

BUCKETS

— if —
your water
end of pump
gives you trouble,
Write us for List B.

PUMP BUCKETS

>sure

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:

DICING” Ltd., Stratford, London, E. 15

Telegrams:	Telephone:

“ Deme, Stratford, London."	355 Stratford.

Established 1800.

Brass Time Checks

JOHN LAWSON & SONS,
Manufacturers of every kind of
STEEL STAMPS, LETTERS,
FIGURES, BRANDS, STENCIL
PLATES, Ac.

Telegrams—“ Lettering, Sheffield.”

Telephone No. 577.

Roebuck Letter Works, 26, Carver Lane, SHEFFIELD.

Price 3s. 1 Od. post free.

A Practical Handbook for Colliery Electricians.

ELECTRIC CIRCUIT PROBLEMS

in Mines and Factories.

— BY —

ELLIS H. CRAPPER, B.Eng., M.I.E.E.,

Head of the Department of Electrical Knaineeriny nt the University of Sheffield.

The Colliery Guardian Co. Ltd., 30 & 31, Furnival-st., Holborn, London, E.C. 4

Save Money - Save Goal - Save Steam

By adopting FORREST’S PATENT AUTOMATIC
Cylinder DRAIN COCKS
on your Compound, Winding, Hauling, and all
your Stationary Engines, Steam Winches, &c.

(Thousands in use), now fixed on most new Engines
turned out by leading Engineers.

The Safest Automatic Drain Cock ever fixed on Com-
pound Condensing Engines, most positive in action.
Makers of High- class Gunmetal Gland Taps.
Wheel Valves, &c,

Class B

For Prices, Particulars and Testimonials, apply Sole Makers,

APPLETON & HOWARD,	ST. HELENS, LANCS

Contractors to the War Office.



OANKS

NETHERTONl





MAKERS
OF
LANCASHIRE.

CORNISH. otdherl
TYPES OF BOILERS,

SUPERHEATERS. SiSEf

CONTRACTORS FOR COMPLETE BOILER HOUSE EQUIPMENT.