684

THE COLLIERY GUARDIAN.

April 4, 1913.

^JOSEPH WRIGHT & CO?

r,
►

---SOLE MANUFACTURERS-

TIPTON & LONDON

'n

-5.' P >'



and

Patent STAUFFER
” LubricatorSo

Certainty—Economy—Cleanliness.

TAUFFERS LUBRICANT

Regd. Trade Mark.

TANDARD MACHINE GREASE

AVING 80 TO 90 °/o OVER LIQUID OIL

OLE MAKERS: TRIER BROS.

CUMBERLAND WORKS, CAMBERWELL, S.E. | y j

Office: Caxton House, Westminster, S.W. I uOIlUOlL

Agent for Northern Counties: Hr. JOHN YOUM^
9„ Croft Terrace, Jarrow-on-Tyno.

ISCA FOUNDRY AND ENGINEERING CO.,

RAILWAY PLANT Sc GENERAL ENGINEERS,
Switches, Crossings, Turntables, Water Cranes, Girders, Bridges,
Roofs, Pipes, Pumps, Wagons, Tanks, Engines, Boilers, Cranes,
Works: NEWPORT, MON.

London Office : 16 & 17, Devonshire Sq. Bishopscate St., E.C.

NONEX

A COVERING for COR-
RUGATED IRON. Can
show corrugated sheets
painted in 1903 with it.

G. & T. EARLE (1912) Ltd., HULL.

FOR THE

PREVENTION or COAL DOST EXPLOSIONS

■ USE ----

||0MC0 SPRAYING COMPOUND

ichich has prai'ed itself' a most efficient and lasting dust layer.

HULL OIL MANUFACTURING CO. LTD., Stoneferry, HULL

GUTTER PICKS,
HOLLOW DRILL STEELS

AND

TWIST DRILL STEELS

DAYIS-FRYAR

Mechano-Electric Signals.

For Haulage Planes, etc., in Gassy Mines.

Patent No. 5919.

READY FOR USE IN ALL
MAKES OF MACHINES.

Buy from the Makers:

THE HARDY PATENT PICK CO. L°

SHEFFIELD.

This system has been devised to meet Rule
15 in the Special Electrical Rules which
requires:—

“that Signalling Apparatus shall be so con-
structed and worked that there shall be no
open sparking.”

It is considerably cheaper than gasproof pushes
and more efficient.

SEND FOR LIST No. 41F.

JOHN DAVIS & SON

(Derby) LTD.,

ALL SAINTS WORKS, DERBY;

& 17, Victoria St., Westminster, London, S.W.