December 15, 1916.

THE COLLIERY GUARDIAN.

1181



•300 m

500

•400

■ 4:

...

it

pulsometer engineering IS

OFFICES :	WORKS:

It speaks for itself.

1100

1050

1000

o

<
uj

SOO 700	800	900	1000	1100

GALLONS PER MINUTE.

11, Tothill Street,

LONDON, S.W.

Nine Elms Iron Works,

READING

Pumping Plant in a Colliery Pumproom 1,050 feet below surface.
Three units each delivering 50,000 gallons per hour to the surface.
Efficiency of Pumps, 79 per cent. Speed, 1,485 revs, per minute.

Motors work at 5,500 volts.

Write for List No. 736.