July 9, 1915.

THE COLLIERY GUARDIAN.

59

LOCOMOTIVES.

COLLIERY

HAULAGE
ENGINES

FOR

AIR, STEAM & ELECTRICITY.

FORGINGS

& REPAIR WORK.





COAL
CUTTING
MACHINES
OF ALL TYPES.

MACHINE WORK OF

EVERY DESCRIPTION.

15=°h™e YORKSHIRE ENGINE CO.

Westminster, S.W.	TelegramsEngine, Sheffield.”

LTD.,

HEAD OFFICE & WORKS,
SHEFFIELD.

Handbook C3on

Chain Gearing

FREE.



cannot slip

T1,at is OBe U
many reasons why

they prove so economical
in Power Transmission

“The Coventry” Chain Co., Ltd.
Coventry.

REASER

OVER taoo PAIRS SOLD.

NEW PfltENT NP 20901,1913.

EVANS Er DODD

CANNOCK.

w/?/r£ pox p/soros. ro soLf manuft?

IMPROVED WIRE ROPE

PULLEYS.

ANY DIAMETER. ANY SECTION.

FOR ALL PURPOSES.

Supplied to most of the largest Collieries and Gold Mines.

■

1)11

■•3

».

W

|4

«frj

;i&l

MH

b



ALSO

LATEST IMPROVED

SAFETY

DETACHING

HOOKS.

ms.a

'.7. T.W

I

THOMPSON & SOUTHWICK LD., e.,-,.

TAMWORTH, Staffs, England. Nat. Tel. No. i. Tel. Address—“ Pulleys, Tamworth.”

Clarke, Chapman & Co. Ld.,
VICTORIA WORKS,
GATESHEAD.

SPECIALISTS in

Colliery Power Plant,
Water Tube Boilers
(“ WOODESON ” PATENTS),

— PUMPS -

FOR ALL DUTIES,
ELECTRIC AND STEAM.
Haulage and Winding Gears.

The Life of Steelwork is Doubled
When It is Coated with

n

A

BITUMASTIC ’(BRAND) Solution

“ BITUMASTIC ” Solution effectively Prevents Corrosion, and
thus saves Costly Repairs and Renewals.

“ BITUMASTIC ” is a Brilliant Black Colour, Supplied Ready
for Use.

Greater Covering Capacity and Superior Lasting Qualities
than Ordinary Paint.

WRITE FOR ILLUSTRATED PAMPHLET TO SOLE MANUFACTURERS—

WAILES DOVE BITUMASTIC L™ .-w.

And at London, Liverpool, Manchester, Clascow, Cardiff, Birmingham, Leeds, &c.
’Phones in every office.	Telegrams—“ Bitumastic.”

GRIFFIN MILLS 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 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.C.