January 18, 1918.

THE COLLIERY GUARDIAN.

145

NEVER	PASS.

PATENTED

PUMP
BUCKETS

— If —
your water
end of pump
gives you trouble,
Write us for List B.

PUMP BUCKETS

SOLE

MAKERS

F. REDD AWAY &

PENDLETON.

MANCHESTER.

LONDON OFFICE

5O/l LIME ST.,E.C.

Flexible

"rings



The Rings are Flexible, they Expand
Automatically to Pressure, are Always
Tight, are not Split, do not cause Uneven
Wear, Reducing Friction to a Minimum.

SOLE PROPRIETORS :

DGXIN6 Ltd., Stratford, London, E. 15

Telegrams:	Telephone:

“ Dexine, Stratford, London.”	355 Stratford.

E. C. THEEDAM

LTD.

DUDLEY, Wore.,
Factors and Manufacturers of

Colliery Requisites.

Mechanical & Electrical SIGNAL BELLS.
Ordinary and Indicating Signal Bells (Mechanical
and Electrical) with Indicator and Non-accumulative

Ringing Lever or Key,

ELASTIC ENAMELLED PLATES
FOR NOTICES IN COLLIERIES & MINES.
Abstract of C.M.R. Act, General Regulations,
Signals (Winding, Sinking & Haulage), Electricity

Notices, Restoration Plates, &c.

MECHANICAL ENGINEERING OF COLLIERIES. T. c. FBJTERs.

Vol. I., Price 21s. net (By post 21b. 8d.).	Vol. II., Price 10s. 6d. net (By post 11b.).

SUPPLEMENTARY VOL.—Price 10s. 6d. net (By post Ils.).

THE COLLIERY GUARDIAN CO. LTD.. 30 & 31, Furnival Street, Holborn, London, E.C. 4







Coal Baskets, Steel

Chimneys, Coal

Rakes, Elevator Buckets, Mining Kibbles,
Haulage Clips, Barrows, Pit Tubs, &c.

THOS OXLEY p

Iron, Steel & Machinery Merchants,

Shiloh Works, SHEFFIELD

BUYERS OF SCRAP IRON, STEEL,
METALS AND OBSOLETE PLANTS.

A CONTINUAL STOCK OF SECOND-HAND
MACHINERY THOROUGHLY OVERHAULED.

— LIGHT AND HEAVY SECTION RAILS.—

Telegrams—“IRONICAL, SHEFFIELD.’’	Telephone—4630 (6 Lines).

DON’T WASTE TIME
... FASTNUTS

No TROUBLE
to FIT
or REMOVE.

No damage to
bolt.

Specified and used
by the
War Office
AND
Admiralty.

SAMPLES,



and SAVE
TIME &
MONEY.

One firm use over
200,000 monthly.

IN USE on over

60 Collieries.

Calendar and Matchcase, FREE.

We develop and purchase good mechanical patents.

“ FASTNUT ” Ltd., 159-161, Gt. Portland St., W. 1.

RreomsWade

AIR. COMPRESSORS

Works :

HIGH WYCOMBE.

Totally Enclosed
and Perfectly
Dustproof.

Need the minimum
of attention.

Particularly suit-
able for Dusty
situations.

MICHELL

PATENT

THRUST
BEARINGS.

SIZES :

5 to 1,000 c. ft.

ANY DRIVE,
Fixed or Portable.

HYATT

ROLLER
BEARINGS.



EFFICIENT
e
DURABLE
e
ACCESSIBLE