THE COLLIERY GUARDIAN.

April 27, 1917.

DAVIS’S DEPUTY

OR

FIRE TRYER’S LAMP

(FLAME)

Gives greatly
increased light
over ordinary
Marsaut Lamp
without the
increase of
extra parts or
consumption
of more oil.

Send for Pamphlet 41 L and
Copy of Report of Test by
Dr. HENRY BRIGGS.

JOHN DAVIS & SON

I Tn all SAINTS WORKS, DERBY;

IUvI U VI Lv 1 Maa & 17, Victoria St., Westminster, London, S.W.

9 Telegrams—“ Davis, Derby.” Telephone—240 Derby.

PRINCEPS PATENT

“DEFLECTOR” OIL SEPARATOR.

J'"

Capacity, 300,000 lbs. of
steam per hour,
60" diameter main.

ONE OF THE LARGEST
EXTRACTORS MADE IN THIS
COUNTRY.



PRINCEPS A CO.,

Engineers,

SHEFFIELD.

TURBON.

The LA TEST THING in FA V.S,

Equally suitable for Mine Ventilation, forced and inducec
draught, or any other purpose.

Croat strength, simplicity and silence.

Highest efficiency. Perfect balance at all speeds.

Suitable for all pressures.

Resists high temperatures without distortion.

No rivets in blades.

Manufactured by THE WADDLE PATENT FAN CO. LTD.,

--- FOR THE -

TURBON PATENT FAN CO. LTD.

LONDON Addrea*-	v-	W V

34, Victoria Street, S.W.	JL •

M. COULSON & CO. LTD.,

SPENNYMOOR,

Makers of

Coal Washers, Screening Plant, . .

Conveying, Elevating, and Crushing
Machinery, Tipplers, Tub Controllers,
. . Storage and Drainage Bunkers. . .

Replace parts and Repairs given Special Attention.	Estimates and Full Particulars on Application.



“ANTHRACITE CORL

AMD

PLANT

We have Specialised in this
class of Machinery, and have
designed and made more than
all other firms combined.

References to users are invited.
Established 50 Years.

fSHIPPIRMIB)

LTD.,
BRIDGEND,

SOUTH WALES/

X.	/I i