June 12, 1914.

THE COLLIERY GUARDIAN.

1293

THE RECORD

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UNDERCUTTING.





of the patent

HARDY PUNCHER

latest model

(made November 9th, 1910) in North of
England Colliery (In 3 ft. SOam)
air pressure only 45-50 lbs.

per square Inch is

mins.

ACTUAL CUTTING TIME.

The maximum cutting speed attained by our machine was

■« 180 SQ. FT. PER HOUR! ’I -»

This performance is far ahead
of that accomplished in the same
seam by makers’ experts operating
new machines of other makes.

These machines are sent on
trial against any other type.

SHEARING.



THE HARDT PATENT PICK CO. LTD.

Sheffield ENGLAND.