June 8, 1917.

THE COLLIERY GUARDIAN.

1067

B“s SUPERHEATERS

tr A\. X XL. IN X

SAVE IO to 20% of COAL.

OVER 1,600 WORKING.

SUPERHEATER APPLIED TO LANCASHIRE BOILER.

Ifw

iw



MAKERS of SUPERHEATERS
FOR ALL TYPES OF BOILERS.

Experts on Piping Installations, etc.

Send tour Enquiries to

BOLTON’S SUPERHEATERS Ltd.

(Late A. BOLTON & Co.)

Heatizer Works, Trafford Park, MANCHESTER.

Tele. No, 649 Trafford Park. Telegrams: “Heatizer,” Manchester,

GEORGE BURNSIDE,

Burnside’s Safety
Boring Apparatus.

Used most successfully
in tapping old Mine
Workings.

ripply/or Catalogue.

Rock and Stone Drilling Machines: Drills to any Size.

Also Eye Guards for Pit Ponies.

Boring Tool Works, Shiney Row, Fencehouses,
CO. DURHAM.

Our fully illustrated and descriptive literature
free for the asking.

LITTLE HULTON, BOLTON;

AND

28, Victoria Street,

S.W. 1.

G Co., Ltd



VERY early in the history of man
came the necessity of moving
things from one place to another.
To-day the most successful boiler
houses—those with the highest effi-
ciency and lowest working cost—are
using “ Bennis ” Automatic Coal and
Ash Handling Plant combined with
“ Bennis ” Stokers. Complete schemes
prepared free to any requirement, and
behind every one is the successful
record of three quarters of a century’s
experience.

Ed.



\ -I





THE BRITISH ROPEWAY

T-l,:	7, MINCING LANE,

DISPOSAL OF PIT REFUSE.

Are you short of Men ?

Are you short of Wagons ?

AN

AERIAL ROPEWAY

Will overcome these difficulties.

Send us your enquiries.

ENGINEERING Co. Ltd.,

LONDON, E.C. 3.

Tel. Address—

“Glen,” Killamarsh.

Telephone—

Eckington No- 48.



Mining Steel.

High Speed Steel.

Coal Cutter Steel.

Chisel Steel.

Steel Castings.

Buy from the Mattei's—

James Glen & Co.

Killamarsh Steel Works,
KILLAMARSH, SHEFFIELD.

HDIEEIIkl Bill I Q For Producing
unirnii ffllLLo stonedust.

No. 6 REPORT OF THE EXPLOSIONS IN MINES COMMITTEE,
whilst recommending a minimum of 50 °/o passing a 200 x 200 sieve, says
emphatically“ THE FINER THE DUST THE BETTER,” con-
sequently, STONEDUST PRODUCED BY THE GRIFFIN MILL
SYSTEM IS THE MOST EFFICACIOUS PRODUCTION FOR

THE PURPOSE, SEEING IT PREPARES:—

Percentage Horse
Output per hour	Passing Power

200 x 200 Sieve Required
Dust from South Wales Shale— 1 to IF tons upwards 83 °/o	25

Dust from Yorkshire & other Shale—1 to IF tons upwards 87 °/o	25

No other System of Pulverizing can approach the

GRIFFIN & GIANT GRIFFIN MILL

for Low Cost of Grinding and Fineness of Product.

---- FOR FULL PARTICULARS, APPLY -

BRADLEY PULVERIZER C?

37, Wat brook, LONDON, E.O.