March 8, 1918.

THE COLLIERY GUARDIAN.

479



_SIMPLEX HEAVY SCREWED^
| CONDUITS AND CONDUIT FITTINGS

SUBSTANTIAL Electric

Light and Power
Installation Material for
Factories & Mines has been
—-—developed by—-----

SIMPLEX CONDUITS Ltd.

PLOWRIGHT BROS. LTD.,

Brampton Iron Works, Chesterfield.

Speciality—

COAL SCREENING e CONVEYING



in a thorough and thought-
ful manner. Design

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.

5S®

NO SUSpICI0N

tefwm? Weigghmen.

Denison’s Patent Mercury Resistance

PIT BANK

WEIGHING MACHINE

"Aj—&5FI

Quick. Accurate. Durable.
NO WATER.
Pointer Shadowless.

SAft!L DENISON & SON I™

2$

MM

SECTION OF SCREENING PLANT AT BENTLEY COLLIERY, DONCASTER.

CONSIDERABLY OVER

100 PLANTS







NOW AT WORK IN

GREAT BRITAIN
AND THE COLONIES.

Estimates and Designs on application

HOPKINSON

Fh6pkins°^ ,





SAFETY BOILER
HomiliS-

PATENT

ABSOLUTE

Water Gauge
for Water-Tube,
Lancashire and

Marine Boilers,
Locomotives
and Steam

Separators.

& CO. LTD.,

Britannia Works, HUDDERSFIELD.

LONDON - GLASGOW - PARIS - PETROGRAD.

No. 400.