Apparatus and Processes of Civil Engineering, Public Works, and Architecture.

Class 64.—Building materials: stone, wood, metals; ornamental stone; lime, mortar, cements, artificial stone, and concrete; asphalte; roofing tiles, bricks, paving tiles; slates, pasteboard, and felt for roofing.

Apparatus and products of processes used in the preservation of wood. Apparatus and instruments for testing building materials.

Apparatus for earthworks, excavators. Apparatus used in building yards. Tools and processes used by stone dressers and cutters, masons, carpenters, tilers, blacksmiths, joiners, glaziers, plumbers, house painters, &c.

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Locksmiths1 work; locks, padlocks, railings, balconies, banisters, &c.

Apparatus and engines used in making foundations; pile drivers and pile work, screw piles, pumps, pneumatic apparatus, dredging machines, &c. Apparatus used in hydraulic works connected with harbours, canals, rivers; machines used in reducing stones, quartz, or other hard substances.

Apparatus used in the supply of water and of gas. Apparatus used in the maintenance of roads, plantations, and public walks.

Models, plans, and drawings of public works; bridges, viaducts, aqueducts, drains, canal bridges, dams, weirs, &c.

Lighthouses. Public buildings for special purposes; buildings for civil purposes; mansions and houses for letting; workmen's towns, industrial dwellings, &c.