December 29, 1916.

THE COLLIERY GUARDIAN.

1288

Jacks.

Wood

Crane.

Hydraulic

Duplex Punch,

Crab.

Heavy

YOUNGS

Strong

Crab.

Bender.

Worm Block.

Screw Traverse Jack.

Cin Block.

Electric Signalling

With BARE WIRES.

SOLENOID BELL (TREMULOUS ACTION)

DA VIS-MACDONALD

PATENT APPLIED FOR.

PATENT.

O

With this Bell there is no possibility of a spark.
Suitable for A.C. or D.C.

DAVIS’S RELAY with SPECIAL WINDING,
overcoming sparking on the line and in the
relay| thus saving the platinum contacts.



JOHN DAVIS & SON (DERBY) LD.

All Saints Works, DERBY.

LONDON OFFICE17, Victoria Street, Westminster, S.W.

A CHEAP YET MOST
EFFICIENT INSULATOR
AGAINST HEAT RADIATION

LT F N VA KI9 C specially

rVEaBlM I I	COMPOUNDED

“KISOL”

(REGISTERED)

CEMENT

Sample 1 cwt. bag sent carriage paid to any address for 7s. 6d.

ASK FOR “HINTS” ON COVERING
STEAM PIPES, BOILERS, &c. . .
---Post Free on Application, ■

WNI. KENYON A SONS Ltd., dukinfield, nr. Manchester.

BITUMINOL BLACK

ELASTIC. ACID-RESISTING. QUICK.

1 cwt. covers 7,000 sq. ft. 30/- cwt. carriage paid.

Also “BITSOL” QUICK TAR BLACKS

20/- and 15/- cwt.

An Absolute
| ULCUU Rust Preventer

(APPROVED BY WOOLWICH ARSENAL).

WAGON AND COLLIERY PAINT &
INSULATING VARNISHES.

W. W. Hill, Son & Wallace Ltd.,
Elton St., Broughton Bridge, MANCHESTER.

---- ESTABLISHED 1840. -

Founded 1899.

WATER

AND

WATER ENGINEERING.

Price 6d. monthly.

Annual Subscription,
7/6 post free
(payable in advance).

Offices—
30 & 31, Furnival Street,
Holbobn, London, E.C.

Steel Underframe

Railway Car-
riages, Tramcars,
and Wagons of
every description
for Hire and Sale
by Immediate or
Deferred Pay-
ments. Ironwork,
Wheels and Axles.

WAGONS.

Also Wagons with Oak Underframes

Makers of HYDRAULIC PRESSED BOSS
and other WHEELS and AXLES.

PRESSED STEEL BOGIES'

Wagons for
Hire, capable of
carrying Six,
Eight and Ten
Tons, part of
which are con-
structed specially
for Shipping pur-
poses. Wagons
in Working Order
maintained by
Contract.

SECOND-HAND RALLAST WAGONS FIT FOR MAIN LINE TRAFFIC.

Sole Manufacturers of Dean & Churchward’s “ EITHERSIDE
BRAKE,” and Marillier’s Patent “ INSTANTER COUPLING."

The Birmingham Railwiray
Carriage «& Wagon Co. JLtd.,
WORKS : SMETHWICK, BIRMINGHAM.

Telegrams—“Carriage, Smethwick.”	Telephone—No. 296 Smethwick (4 lines).

ROBURITE No. 3.

HELD BEST RECORD for SAFETY for gC YEARS.

ROBURITE N* 4

Is now BEST & SAFEST

on the New Permitted List.

NEGRO POWDER No. 2 & DREADNOUGHT POWDER

Also on New Permitted List.

ROBURITE and AMMONAL LTD., GATHURST, near WIGAN.

LONDON OFFICE:—103, CANNON STREET, LONDON, E.C.

Telegraphic Addresses: “ Roburite, Cannon, London.” “ Roburite, Gathurst.”	Telephone Nos.: 141 Bank. 9 Upholland.