1050

THE COLLIERY GUARDIAN.

May 23, 1913.

THE

SULLIVAN MACHINERY Co.

(ESTABLISHED 1850),

wishes to announce that it will exhibit its

Longwall Coal Cutters

and

Heading Machines

(for Electricity and Compressed Air)

-- AT THE --

MINING MACHINERY EXHIBITION,

Royal Agricultural Hall, London, N.

MAY 29 JUNE 6.

Over i,600 such machines have been manu =
factured by this company during the last
twelve years, and sold in Australia, South
Africa, Canada, and the U.S.A.

SALISBURY HOUSE, LONDON, E.C.

FANS

nalllffgpiallr

patent E>uplo>c"

For Mine Ventilation,
Induced Draught, &c, &c.



“Duplex”,.,...

Valveless Gas Engine

Other features which render the “DUPLEX” the
simplest and most reliable engine on the market, are:

NO ADMISSION VALVES.

NO EXHAUST VALVES.

NO CAMS.

NO SIDE-SHAFTS.

NO VALVE POCKETS.

NO INTRICATE CASTINGS.

Automatic Forced Lubrication. Easy to Overhaul.
Steady Running.

WRITE FOR BOOKLET.

Every Stroke
a Driving Stroke.

That is only ONE of the special features

of the

Park Works,
MANCHESTER.

Queen Anne’s Chambers,
LONDON, S.W;

ANNALS OF COALMINING & THE COAL TRADE.

BY ROBERT L. CALLOWAY.	Price 25s. net.

The Colliery Guardian Co. Ltd., 30 & 31, Furnival Street, Holborn, London, E.C.

■ ■ ' - .

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iZXdXAMMflAMj

MARKS*
STAMPS’
BRANDING IRONS

BRA55 LABELS’ •
TIME CHECKS- • '
SETS OF LETTER
fr FIGURE •
PUNCHES' •

EMB055ING PRESSES-•
DIE5 £r SEALS_____
BRA55 NAME PLATES-
STENCILS' MOULDERS’
LETTERS CrFIGURES"



We also Specialise in

DUST REMOVAL & COLLECTION,
FORGES, HIGH PRESSURE FANS,
SINKING FANS, PIPING, &c.

The STANDARD ENGINEERING Co. Lo,

LEICESTER.

EDWARD PRYOR&50N,
68,WEST ST,
SHEFFIELD...

OTTON-WASTE

PUNYARN

HOP BAGS

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