May 11, 1917.

THE COLLIERY GUARDIAN.

913

The Silent Conveyor

(Spence’s Patent).

AFairExample of Results.

80 yards

2 ft. 9 in.

1 in 12

Length of Face - -
Height of Seam - -
Average Gradient
against load

Average discharge

(5 men) - 60 tons per shift

Average load (input) - 4 B.H.P.

operation.

SHEFFIELD.

—

'W'-'

■







Meco Belt Conveyor Head, Spiro-turbine Drive.

Perfectly noiseless in

*

Positive in action, will convey equally
well uphill or down.

Most economical in power consumption.

Electric or air-driven.

Will take the place of your enlisted
men and will increase tremendously
your output of coal.

Write to-day for Illustrated Catalogue and full particulars.

The Mining Engineering Co. Ld

Meco Works, Moorfields,

Telegrams : “ Meco, Sheffield.”
Telephone: 4 5 30 Central (2 lines).