786

THE COLLIERY GUARDIAN.

April 18, 1913.

Guaranteed.

manufacture.

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Patent No.

17075

Two

New Types
of
Anemometers
embracing
many and
important
advantages.

DAVIS-BIRANI
ANEMOMETER.

:dhd

WITH SHU

MULTIPLY!

TR CLOSED (J
51CSTIMSBT2

Patent
No.
16215

DAVIS-LYALL

AIR SPEED
INDICATOR.

Davis’

Improved
Water
Gauge.

Hygrometers,
Water-gauges,
Barometers,
Thermometers.

Send for Catalogue
41 AH.

No. 51.

Hygro-
meter.

Portable
form.

!«■’ !i
ft!

5/ \

9d : r

TURBON.

The LATEST^ THING in FANS.

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

Great 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.,

LLANELLY.

A Well Lubricated
Rod means:

Low Friction Load,

Unworn Rod,

Long Service from

Packing.

“PALMETTO”

REG.TRADE MARK
PACKING

keeps the rod thoroughly lubricated as each single strand
of which it is made acts as a separate reservoir of graphite

grease lubricant.

That is why “ Palmetto " gives much longer and
more satisfactory service than any other packing.

JOHN DAVIS & SON

Send for free working sample, it will show you what a
well lubricated packing will do.

(Derby)

LTD.,

ALL SAINTS WORKS, DERBY;

London—17, Victoria St. Westminster, S.W.

GREENE. TWEED &, Co.,

Sole Manufacturers,

QueenJAnne’s Chambers, Westminster, London, S.W.