March 14, 1913.

THE COLLIERY GUARDIAN.

531

Marcus Screen. Capacity, 90 tons per hour.

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Marcus Screens. Each, 100 tons per hour into 4 grades.

INFRINGEMENT

of Marcus Patents

All Who Are Considering The Adoption of

Horizontal Screens

are earnestly requested to compare “MARCUS ” PATENT N° 14412/1900
and to JUDGE for themselves how far the Adoption of Propulsion Screens

other than those manufactured by HEAD, WRIGHTSON & GO. ltd., will

render THE USER LIABLE TO LEGAL ACTION.

Head, Wrightson & Co. Ltd., Stockton-on-Tees,

will be pleased to forward copy of the

“ MARCUS" PATENT

on application.

Marcus Screen. Capacity, 75 tons per hour.





Marcus Coke Screens. Each, 30 tons per hour capacity.