May 30, 1913.

THE COLLIERY GUARDIAN.

1107

A—s



KEITH CENTRIFUGAL FANS

THE KEITH FANS ARE OF STRONG
AND COMPACT CONSTRUCTION,
AND GIVE LONG SERVICE WITH
MINIMUM ATTENTION.

THESE FANS ARE EXTENSIVELY
USED FOR VENTILATION, INDUCED
DRAFT, DUST EXHAUSTING, SMOKE
REMOVAL, &c.

James Keith & Blackman Co. Ld.

27, Farringdon Avenue, LONDON.

“Bowie” Underground Lamp Re-Lighter.

Patented in Great Britain, Germany, France, Belgium, U.S. America, in 1907-8, and since used with success and without
accident in the most dangerous Mines injthese Countries. Adopted by the French Government for use in French Mines.

DEFER ORDERING

MINERS’

|

",......

Air-tight, Non-Inflammable, Gas-proof,
Insulated & Non-external Sparking.

Electric Contacts are fixed and there
are no switches or secondary cur-
rent to contend with.

No cells or accumulators to replace.

The Lamp is totally enclosed in gas-
proof chamber when being re-lighted,
and can only be operated by
authorised persons.

It can be used with absolute safety
for igniting Lamps in the most
gaseous atmosphere.

Adapted to Ignite any form of Safety
Lamps.

impossible to generate an electric
current from the apparatus until
the Lamp-containing receptacle has
been made perfectly air-tight.

Always ready for use and its upkeep
is practically nil.

ELECTRIC LAMPS

UNTIL SEEING

Stand No. 104, Row J,

AT THE GREAT

MINING MACHINERY EXHIBITION,

ROYAL AGRICULTURAL HALL,

LONDON, MAY 29th to JUNE 7th.

± M. S. Electric

Gas Detector Lamps.

Further particulars may be obtained on application to—

E. THOMAS & WILLIAMS LT? A=E^s

PATENT
EYE GUARD.

OPEN VIEW;
Back, Front & Side.

Eyelets, 2s. single pair.

Good Discounts for Quantities.
Send for Illustrated Pamphlet.

Approval guaranteed.

W. J. FLETCHER, V.S.

Wrexham, N. Wales.

Telegrams—Fletcher, Vet, Wrexham.

Telephone—No. 59.

WILL BEAR THE

F 1

MOST SEARCHING TESTS !

ABSOLUTELY

SAFEST

As proved

by 23 years’ practical
use in the most Fiery and
Dusty Mines in the Country.

AMVIS, NEGRO POWDER
and DREADNOUGHT POWDER.

tin no Nitro-Glycerine Safe to Handle. Cannot Freeze
ALL ON PERMITTED LIST.

ELECTRIC DETONATOR FUSES with “Tetryl” Detonators,
Shot Firing Batteries, Cables, and all accessories.

Address orders to—

The ROBURITE EXPLOSIVES CO. LTD., GATHURST, nr. WIGAN.

London Office:—103, CANNON STREET, LONDON, E.C.

Telephone	< London—Bank 141.

Numbers : t Gathurst—Upholland 9.

(“Roburite, London,”
t “ Roburite, Gathurst.’