1106

THE COLLIERY GUARDIAN.

May 30, 1913



TRAM NAILS

DOG SPIKES

SIGNAL WIRE

ALBERT FROST & CO.,

SHEFFIELD.



NO MORE PIT CAGE ACCIDENTS!

Ascending
and
Descending
Cages
Safeguarded.

No
Interference
with
Winding.

Starting
in the
Wrong
Direction
Prevented.

JOHNIV0oo.

Safety
assured
with
‘THE
VISOR.

The most
Effective
Machine on
the
Market.

Over 200
at work.

particulars to JOHN WOOD & SONS Ltd.,

Telephone : 55 Wigan.

Engineers, WIGAN. Telegrams : “ Haulage, Wigan.”