Apparatus and Processes of the Art of Mining and Metallurgy.

Class 81.—Boring apparatus for Artesian wells and wells of large diameter. Boring machines and apparatus for breaking down coal and cutting rocks. Apparatus for blasting by electricity.

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Models, plans, and views of the mode of working in mines and quarries. Works for obtaining mineral waters. Machines and apparatus used for extracting ore, and for lowering and hoisting miners.

Winding, pumping, and crushing machinery.

Safety cages and hooks; signals and other appliances for lessening the danger in mines.

Machines for draining: pumps.

Ventilating apparatus; ventilators.

Safety lamps; lamps for electric light.

Apparatus for the mechanical dressing of ores and mineral fuel.

Apparatus for compressing fuel into cakes.

Apparatus for the carbonisation of fuel. Smelting furnaces. Smoke-consuming apparatus.

Apparatus used in metal works.

Special apparatus used in forges and foundries, electro-metallurgical apparatus.

Apparatus used in metal manufactures of all kinds.

Drawings of different classes of machinery used in mining.