October 2, 1914.	THE COLLIERY GUARDIAN.	707

CONCRETE PIT PROPS

WHY THEY SHOULD BE USED

AND HOW TO MAKE THEM

A new publication issued by the

ASSOCIATED PORTLAND CEMENT MANUFACTURERS
(1900) LIMITED

PORTLAND HOUSE, LLOYD’S AVENUE, LONDON, E.C.
will be forwarded post free
on application

—

TANGYES

THREE-THROW RAM PUMP

t -

For Mining Purposes,
Town’s Water Supply, &c.

With BELT PULLEYS for driving by

“SUCTION” GAS ENGINE,
OIL ENGINE,

STEAM ENGINE, or with
ELECTRIC MOTOR.





Fitted with OUTSIDE VALVE SPRINGS for
HIGH SPEEDS.

Quotations on receipt of particulars of the duty.

TANGYES LI?

No. 408 D