July 26, 1918.

THE COLLIERY GUARDIAN.

171

SIMPLEX HEAVY SCREWED

CONDUITS AND CONDUIT FITTINGS

SUBSTANTIAL Electric

Light and P o w e r
Installation Material for
Factories & Mines has been
-----developed by----

SIMPLEX CONDUITS Ltd.
in a thorough and thought-
ful manner. Design

PLOWRIGHT BROS. LTD.,

Brampton Iron Works, Chesterfield.

Special i ty—

COAL SCREENING (CONVEYING

Jlli

:.‘4

SECTION OF SCREENING PLANT AT BENTLEY COLLIERY, DONCASTER.





Manufacture & Assembly

are all of prime importance
—and to each of these we

pay most careful attention.

SIMPLEX CONDUITS Ltd.

HEAD OFFICE AND WORKS:

GARRISON LANE —B’HAM.

CONSIDERABLY OVER

4 flfl	HI	B MTft	NOW AT	WORK IN

fir |	n|H I %	GREAT	BRITAIN

|UU	I	I O	and the	colonies.

Estimates and Designs on application

HAMMERS

WEDGES, PICKS, FORGINGS, &c.,
------♦ FOR ♦-
COLLIERIES, QUARRIES & WORKS.

J

Manufactured by

The PROVIDENT Steel & Tool Co.

LIMITED,
Brown Street, SHEFFIELD.

HOPKINSON

SAFETY BOILER
MOUNTINGS.

1

PATENT

ABSOLUTE

Water Gauge
for Water-Tube,
Lancashire and
Marine Boilers,
Locomotives
and Steam
Separators.

J. HOPKINSON & CO. LTD.,

Britannia Works, HUDDERSFIELD.

LONDON - GLASGOW - PARIS - PETROGRAD.

No. 400.__________________________