880

[supplement PAGE II.]

THE. COLLIERY GUARDIAN.

October 25, 1918.

FOR EFFICIENCY AND ECONOMY

For further particulars apply to

LANCASHIRE BOILER FITTED WITH CIRCULATOR

. 1O%to15%MORE STEAM
5%to8%SAVING inFUEL

Bolton House, Cullum Street, Fenchurch Street, E.C- 3

Telephone—AVENUE 872.

LABORATORY—20, CULLUM STREET, E C. 3.

Telephone—CENTRAL 11029.
Telegrams—“ LONPLET, FEN, LONDON.”

THE

LONDON SIMPLE! ENGINEERING C° L

NEVER	PASS.

PATENTED

PUMP
BUCKETS

-if
your water
jP end of pump
gives you trouble,
Write us for List B.

PUMP BUCKETS

Flexible
"“rings

The Rings are Flexible, they Expand
Automatically to Pressure, are Always
Tight, are not Split, do not cause Uneven
Wear, Reducing Friction to a Minimum.

SOLE PROPRIETORS:

DQCINC' Ltd., Stratford, London, E. 15

Telegrams:	Telephone:

“ Dexine, Stratford, Loudon.”	355 Stratford.

RAISE
.STOP.

WINDING
SIGNALS
“NON-CUMULATIVE.”

ELECTRIC.
MECHANO-ELECTRIC.
MECHANICAL.

SIMPLE.

EFFICIENT.
INEXPENSIVE.

DAVIS’S SPECIAL

RELEASING GEAR.

HAULAGE PLANE
SIGNALS
Electric or Mechano-Electric.

SEND FOR LIST 41 v.

JOHN DAVIS & SON (Derby) Ltd.

All Saints Works, DERBY ; & 17, Victoria Street, Westminster, S.W. 1.