April 5, 1917.

THE COLLIERY GUARDIAN.

663

______________________________________

COMPARE

Working Parts of

JEFFREY COAL CUTTERS

With other Well-known Machines.

OQ CL<jt~cAy_







HUGH WOOD & CO. LTD.,

Newcastle-on-Tyne.

LONDON : 65, Fenchurch Street, E.C.

CARDIFF : 102, St. Mary Street.

MANCHESTER : The Hive Works, Trafford Park.

YEARS of STUDY
and EXPERIENCE
HAVE BROUGHT
MY SYSTEM OF
CEMENTATION
TO PERFECTION.

To Colliery Proprietors.

Shafts sunk, tunnels
driven, & other mining
constructions carried
out in difficult and very
wet ground by the best
method. Success guar-
anteed.

18 shafts completed in
England, and 7 in
progress.

Ferro-Concrete Lining
a speciality.

Feeders of water in
shafts or levels effec-
tually treated.

ALBERT FRANCOIS,

9	7

White House Chambers, DONCASTER.

Telegrams—“Francois, Doncaster.”	Telephone—408 Doncaster.

Partners: Albert J. Francois (Belgian); Thomas Blandford.

Trade	|\|

Stanley’s Plain Hedley Dial.

Universally acknowledged to be
the very best in design, material,
workmanship and finish. Our
Instruments are as perfect as
it is possible to make them.

Please send for our “K. 12” Catalogue,
and compare our prices with those of other
first-class makers.

The Largest Manufacturers of
SURVEYING and DRAWING
INSTRUMENTS in the World.

W. F. STANLEY & CO. LTD.,

286, HIGH HOLBORN, LONDON, W.C.

CLARKE, CHAPMAN & CO. LTD

Water Tube Boiler, ** Woodeson ” Patents,
fitted with Patent Superheater and Stoker
of the Underfeed Type.

Victoria Works,
GATESHEAD.

GENERAL AND ELECTRICAL ENGINEERS

— AND —

BOILERMAKERS.



Specialists in Colliery Power Plant, Haulage and
Winding Gears, Water Tube Boilers (“Woodeson”
Patents), Pumps for all purposes (steam and
electrically driven).

Telephones—

1070-1073 Central, Newcastle. 137, City.

Sectional view of Boiler showing Superheater
in position.

Telegrams—

Cyclops, Gateshead. Cyclops Fen, London.