February 23, 1917.

THE COLLIERY GUARDIAN.

405

Jacks.

Crane.

Hydraulic Jack.

Punch,

YOUNGS

Strong

Crab.

Bender.

Heavy Lifting Crab-,

Sc ew Traverse

Cin Block. Worm Block.

Patent No. 7638. and Patents Noa. 7241 and
17607 applied for.

12

RAISE,

LOWER

'raise^K
jSTOP/^

—V

9\

k 8/

I g®51MEI
■

24

5 J

WINDING
SIGNALS
“ NGN-CUMULATIVE.”

DAVIS’S Self=Contained
SOLENOID BELL
with DIAL INDICATOR.

Simple, Efficient, Inexpensive.
SEND FOR LIST 41V.

JOHN DAVIS & SON
(DERBY) LTD.,
All Saints Works, DERBY;

and 17, Victoria St., Westminster, London, S.W.
Phone—240 Derby. Telegrams—“ Davis, Derby.”

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 DALLAS! WAGONS FIT FOR MAIN LINE TRAFFIC.

Sole Manufacturers of Dean & Churchward’s “ EITHERSIDE

BRAKE,” and Marillier’s Patent “ INSTANTER COUPLING.”

The Birmingham Railway
Carriage &> Wagon Co. Ltd.,
WORKS : SMETHWICK, BIRMINGHAM.

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

ANNALS OF COALMINING & THE COAL TRADE.

By Post, 25b. 9d.	BY ROBERT L. CALLOWAY.	Price net.

The Colliery Guardian Co. Ltd., 30 & 31, Furnival Street, Holborn, London, E.O

EDWIN LEWIS & SONS,

Original Makers of “Acme,” “Williams,”
and other Loose Flanged Joint Tubes
for Mining Work.

TUBES

OF ANY SIZE
For Compressed Air, Water, or Steam.

Telegrams—” Lewis, Wolverhampton.”	wnRK<s f Patent Iron Tube Works, Monmore Green.

Telephone—Nos. 15 6 180 Wolverhampton.	t Britannia Tube Works, Ettingshall.

WOLVERHAMPTON.

Buyers will note that the
joint illustrated is our
original “ Acme ” joint used
largely for vertical columns
as it is quite rigid, and
suitable for sinking or per=
manent work.

LONDON ADDRESS-—143, Cannon Street, E.C.
LIVERPOOL WAREHOUSE-58, South John St.

ROBURITE No. 3.

HELD BEST RECORD for SAFETY for gQ 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.