June 7, 1918.

THE COLLIERY GUARDIAN.

1135

By Tests The Best

RESULT OF LATEST TRIAL

INCREASE
IN
EVAPORATION

“PERFECTA” BOILER CIRCULATOR Ltd., 39, Victoria Street, LONDON, S.W. 1.

TANGYES

THREE-THROW RAM PUMP

tM6*£S
(joPyRioM'f

Bl

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 LIP BIRMINGHAM.

No. 408 D