102

THE COLLIERY GUARDIAN.

January 11, 1918.

ERNEST PEARCE & Co

Sterling Steel Works, SHEFFIELD

London Address—Lloyd’s House, 6, Lloyd’s Avenue, London, E.C. 3

STERLING SUPERIOR

High Speed Steel

Birmingham Address—14, Temple Street, Birmingham

Telephone No.—5879 Central, Birmingham.
Teh graphic Address—“ Glacier, Birmingham.

Telephone No.—10859 Central, London.

Telegraphic Address—“ Dringend Fen, London

Manufacturers of Steel, Files, Hammers, &c. ||||i|||>|||||||||||||||||||||i!im|

Telegrams—
Universal, Sheffield.

Telephone—
3185 Central.

“STERLING GRAND”

J5

High Speed Steel

Best “DOUBLE DIAMOND”Crucible Cast Steel for Tools (finishing)

“DOUBLE DIAMOND” Cast Steel for Taps and Dies.

“STERLING” Crucible Cast Steel for Drills, &c.

MINING DRILL STEEL of every description.	NICKEL CHROME AND OTHER ALLOY STEELS.



MARKS. STAMPS. BRANDING IRONS.

of Letter & figure Punches, ffmLossfng Presses.
PressttemeP/sfes, ttttm/s, Lfoi/Ltters'Letterst figures.

pies. E.PRYOR& SON, Seals.

PROTAN

For BOILERS.

A Commercial form of TANNIC ACID

(Containing 48—50 °/o TANNIN).

BRITISH MANUFACTURE.

In conjunction with Soda Ash

Enables the Boiler User to compound the most efficient
------ SCALE REMOVER -------------
at only a fraction of the cost of Proprietary Compositions.

Composition can be based on analysis of water.

Samples and further particulars from

CLEMONS, MARSHALL & CARBERT,

Branch of The Yorkshire Dyeware and Chemical Co. Ltd., Leeds*
nmBKoaaHnBSHminBaHRHNOBBsuaBBiBBraRDHHBaBffliisi^nRRBHUoan

No. 64. Guide Rope.

No. 59. Winding Rope.

ANNALS OF COALMINING & THE COAL TRADE.

Br Post, 25s. 9d.	BY ROBERT L. CALLOWAY.	Price ass. net.

The Colliery Guabdiah Co. Ltd., 30 & 31. Furnival Street, Holborn, London, E.C. 4

■2ie f?QPF

HIGHEST QUALITY

STEEL WIRE ROPES

In Flattened Strand, Locked Coil
and other Special Constructions,
for Mining and Engineering
Purposes.

J. & E. WRIGHT, Ltd

Universe Wire Rope Works,

BIRMINGHAM.

Telephone Central 6914 (3 lines).
Telegrams: “Universe, Birmingham.”

ROPE

DRIVING

QUALITY in SWITCH GEAR.

'Ll-

FOR EFFICIENCY 3
DURABILITY USE



Illustrated Lecture on—
“THE TRANSMISSION
OF POWER BY
ROPES.”

Post Free on Application.

F^TTONDRIV:

\	■ A

■fr rope jA

r Telegrams:

“ Kenyon, Dukinfield.’

Telephone:

494 Ashton.



DIPLOMAS OF HONOUR

BRUSSELS and TURIN.

LONDON OFFICE :

95 & 97, Finsbury Pavement,
E.C.

Wm. KENYON & SONS Ltd.,

CHAPEL FIELD WORKS,

DUKINFIELD, near MANCHESTER.

LIQUID
SWITCH
GEAR
of
HIGH-
CLASS
MAKE
and
GOOD )
DESIGN.





WRITE
for
LIST
No. 60
with
PRICES

OUTPUTS.

J. H. HOLMES & CO., Hewcastle-on-Tyne.