November 26, 1915.

THE COLLIERY GUARDIAN.

1071

LOCOMOTIVES.

COLLIERY
HAULAGE
ENGINES

FOR

AIR, STEAM & ELECTRICITY.

FORGINGS
& REPAIR WORK.

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COAL
CUTTING
MACHINES

OF ALL TYPES.

MACHINE WORK OF
EVERY DESCRIPTION.

15,lc°XN0h^ YORKSHIRE ENGINE CO. LTD., “““

. c nr	7	SHEFFIELD.

Westminster, S.W.	TelegramsEngine, Sheffield.”

GEORGE BURNSIDE,

Burnside’s Safety
Boring Apparatus.

Used most successfully
in tapping old Mine
Workings.

Aj.ply for Catalogue

Boring Tool Works, Shiney Row, Fencehouses,
l!so Etx Guards fob Pit Poniib. CO. DURHAM.

Handbook
C3 on Chain
Gearing
FR E.

COVENTRY

FAa&^CHAINS

TRANSMIT
98^ of Power J

Tie Coventry
Chain Co.,Ltd.
Coventry,
England.

LITTLE GIANT POWER HAMMER.

With or without individual motor drive.
400 r.p.m. Machine gun rapidity and
precision.

See large advert, first issue each month.

Write your dealer, or to

MAYER BROTHERS CO.,
122, Rock St., Mankato, Minn., U.S.A-

900% ECONOMY.

Unique Patent Tub Bearings.

Dustproof, Foolproof, and Self Lubricating.

FROM 7/- PER SET OF FOUR.

Particulars—

The Lancashire Engineering Agency,
429, Corn Exchange Buildings, MANCHESTER.

• •••••
•••••<

• •••••

PERFORATED PLATES

FOR

COAL SEPARATING
PROCESS.

THOMAS HUDSON LTD., Sheepford Iron Works, COATBRIDGE.

M. COULSON & CO. LTD.,

SPENNYMOOR,

Makers of

Coal Washers, Screening Plant, . .
Conveying, Elevating, and Crushing
Machinery, Tipplers, Tub Controllers,
. , Storage and Drainage Bunkers. . .

JUBUILL.IXREZK

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MB

Estimates and Full Particulars on Application.

Replace parts and Repairs given Special Attention.

STOP CORROSION

and SAVE EXPENSIVE REPAIRS & RENEWALS
ar APPLYING

“BITUMASTIC” SOLUTION

TO ALL STRUCTURES EXPOSED TO

SEVERE CORROSIVE & CLIMATIC CONDITIONS.

“ BITUMASTIC ” is a brilliant black. Supplied ready for use.

DESCRIPTIVE BOOKLET ON APPLICATION TO SOLE MANUFACTURERS—

WAILES DOVE BITUMASTIC L™

And at London, Liverpool, Manchester, Glasgow, Cardiff, Birmingham, Leeds, Ac.

’Phoneti in every office.	Telegrams—“ Bitumastic.”

GRIFFIN MILLS STONEDUST.

No. 6 REPORT OF THE EXPLOSIONS IN MINES COMMITTEE,
whilst recommending a minimum of 50 c/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 tons upwards 83 °/o	25

Dust from Yorkshire and other Shale— 1 to 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 Co.,

37, Walbrook, LONDON, E.O.