June 8, 1917.

THE COLLIERY GUARDIAN.

1093

The Silent Conveyor

(Spence’s Patent).

SHEFFIELD.

A Fair Example of Results

80 yards

2 ft. 9 in.

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.

1 in 12

Meco Belt Conveyor Head, Spiro-turbine Drive

Perfectly noiseless in operation.

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.

Mining Engineering Co. Ld

Meco Works, Moorfields

The

Telegrams: “Meco, Sheffield.”
Telephone: 4530 Central (2 lines).