April 20, 1916.

THE COLLIERY GUARDIAN.

777

HEAVY LIFTINC CRAB.

DUPLEX PUNCH.

HALEY JACK.

5 HYDRAULIC JACK.

ASK FOR LIST

No. 28.

OVERHEAD RUNNER.

TESTINC PUMP.

WESTON
BLOCK.

BALL-BEARING
SWIVEL.

WIRE ROPE BLOCK.

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.”	f Patent Iron Tube Works, Monmore Green.

Telephone-Nos. 15 6 180 Wolverhampton.	( Britannia Tube Works, .Ettingshall.

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

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.

Steel Underframe
WAGONS.
Also Wagons with Oak Underframes
Makers of HYDRAULIC PRESSED BOSS
and other WHEELS and AXLES.
PRESSED STEED BOGIES.

SECOND-HAND BALLAST 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.

MECHANICAL ENGINEERING OF COLLIERIES, t. c. futers
Vol. I., Price 2is. net (By post 21s. 8d?.	Vol. II., Price ios. 6d. net (By post Ils.).

SUPPLEMENTARY VOL.—Price ios. 6d. net (By post Ils.).

THE COLLIEBY GUABDIAN CO. LTD., 30 & 31, Furnival Street, Holborn, London, E.C.

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.

Slower
.STEADILY.

J? RAISE.
'steadily!

RAISE'WI
jSTOP/^

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

WINDING
SIGNALS

“ NON-CUMULATIVE.”

DAVIS’S Self-Contained

SOLENOID BELL

with DIAL INDICATOR.

Simple, Efficient, Inexpensive

SEND FOR LIST 41 V.

JOHN DAVIS & SON
(DERBY) LTD.,

All Saints Works, DERBY;

and 17, Victoria St., Westminster, London, S.W.

Phone—240 Derby. Telegrams—” Davis, Derby.’’

ROBURITE No. 3.

HELD BEST RECORD for SAFETY for gC YEARS.

ROBURITE N" 4

Is now BEST & SAFEST

on tire ISTe'w 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, Qathurst.”

Telephone Nos.: 141 Bank. 9 Upholland.