December 20, 1918.

THE COLLIERY GUARDIAN.

1281





FI

Codnor Park, ALFRETON

.* PIT TRAM AND WAGON WORKS :■

jA

MAKERS OF
ALL CLASSES
OF . . .

Telegrams :
“ Smedley, Ironville.”

Telephone:

No. 67, 68, & 69, Ripley.

Designed to comply with the Coal Mines Act, 1911, and to facilitate loading.

Can be Readily Fixed to Existing Trams. .A Girders Hydraulically Cold Straightened.

OPEN. '	CLOSED.

COLLIERY OWNERS and MANAGERS are invited to send for particulars of

■ ■ ■ ■■ ■





AUTOMATIC DUMPING WITH MONOCABLE SYSTEM.

i

Ik



ROPEWAYS LIMITED,

2, Eldon Street, South Place, London, E.C. 2.

IIIIIIIIIIIIIIIIIIIIIIIIIHI CONSTRUCTORS OF llllllllllllllllllllllllllll

Aerial Ropeways

On the “ ROE ” Systems.

FOR the transport of all classes of
material over any ground, and
for the formation of dumps, spoil banks,
&c. Installations at present in opera-
tion with carrying capacities of 200
tons per hour and lengths of 30 miles.

Telephone—12780 Central.	Telegrams—“Ropeways, London”



AUTOMATIC DUMPING WITH BICABLE SYSTEM.

ft
11.|

< ‘

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.,

LONDON Addx-esa-	VT TT TC TAJ TT" T T "V

34 Victoria Street, S.W1.	JLirt.-LtI XLi	JL •

ODIEElil Rill I Q For Producing
bKIrrlii WIILLo stonedust.
rwwwaiwmww 'iv.mwwi ■ 'Iimiwiiw w.. iiinw

No. 6 REPORT OF THE EXPLOSIONS IN MINES COMMITTEE,
whilst recommending a minimum of 50 °/o passing a 200 x 200 sieve, says
emphatically“ THE FINER THE DUST THE BETTER," con-
sequently, STONEDUST PRODUCED BY THE GRIFFIN MILL
SYSTEM IS THE MOST EFFICACIOUS PRODUCTION FOR

THE PURPOSE, SEEING IT PREPARES:—

Percentage Horae
Output per hour Passing Power
200 x 200 Sieve Required
Dust from South Wales Shale— 1 to tons upwards 83 °/o	25

Dust from Yorkshire & other Shale—1 to IF tons upwards 87	25

No other System of Pulverizing can approach the

GRIFFIN & GIANT GRIFFIN MILL
for Low Cost of Grinding and Fineness of Product.

---- FOR FULL PARTICULARS, APPLY -

BRADLEY PULVERIZER C?

37, Walbrook, LONDON, E.C.4._________