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THE HONGKONG GOVERNMENT GAZETTE, 14TH OCTOBER, 1893.
Class 121.—Rails, Switches, Signalling Apparatus for Rail or Tramways.-Crossings, turntables, com- munications in trams and with trams, modes of water supply, siguals and points, fixed and rolling stock for tramways.
Class 122.-Brakes, Hand and Automatic-Screw, chain, compressed air, vacuum, steam, electrical. Class 123.-Atmospheric Railways and Portable Railways.-Rope railways and tramways, pneumatic
railways.
GROUP XVIII.
NAVAL ARCHITECTURE AND ENGINEERING,
Class 124.-Ship and Boatbuilding--Models of ships and vessels of all kinds, also of boats for com-
merce or pleasure.
Class 125.-Construction--Materials used in the construction of wood, iron, or steel vessels, armour
plating, submarine armour, stern-post, etc.
Class 126.--Ship's Fittings--Masts, sails, canvas and rope, wire rigging, anchors and chains, boat- lowering apparatus, pumping and ventilating apparatus, winches and capstans, steer- ing gear, indicators and engine-room telegraphs, compasses, sextants, quadrants, repeat- ing circles, ships' logs, instruments connected with slips and machinery.
Class 127.-Marine Propulsion-Marine engines, full size and in models, from their first introduction
to the present time; propellers, paddles, hydraulic propulsion, shafting, and gear, Class 128.-Life-saving Apparatus-Life-boats, life-rafts, deck-seats, belts, and life-saving clothing of
all kinds.
Class 129.-Armament-Heavy guns and fittings, torpedoes, torpedo catchers, machine guns.
GROUP XIX.
CIVIL ENGINEERING, CONSTRUCTION AND ARCHITECTURE, SANITARY APPLIANCES, AERONAUTICS. Class 130.--Road-sweeping Machines-Rollers, apparatus for removing mud or snow; water-carts,
etc.; construction and maintenance of roads and streets.
Class 131.-Bridges and Viaducts.-Models, plans, apparatus used in construction; submarine con-
struction.
Class 132.-Docks and Harbours-Plans and designs, diving apparatus, dredging machines, pile
drivers, caissons, hydraulic apparatus for working docks.
Class 133.-Lighthouses-Models and plans of lighthouses.
Class 134.-House Construction and Building Materials (other than Stone)-Fire-proof structures, materials for sanitary house construction, roofs, walls, damp courses, solid floors, cements, damp-proof wall coverings.
Class 135. Water Supply and Sewerage-Meters, filters, water fittings, house drains, their con- struction and ventilation, water and earth closets, ventilators, lavatories, baths, and bath fittings.
Class 136.- Military Engineering-Models of bridges and fortifications, intrenching tools, field kitchens, field telegraphs, camp and bivouacing appliances, military clothing and accoutrements, transport arrangements, explosives for demolitions, submarine mine cases, and relative electrical apparatus, aeronautics.
GROUP XX.
MINING AND METALLURGY, MINERALS, QUARRYING, AND FUEL.
Class 137.-Coal-Anthracite and bituminous, with samples showing thickness of scam, bitumen,
kerosene, and other oil shales, pressed coal and coke.
Class 138.-Building and other Stone-Rough, hewn, sawn, or polished stones, white, black, or coloured marbles, granite and other ornamental stones in blocks or slabs, lithographic stones, hones, grindstones, whetstones.
Class 139.-Iron, Lead, Copper Ore, Etc.-Iron ores, copper and lead ores.
Class 140.-Pig Iron, Wrought Iron, and Steel.-Iron and steel in pig, ingot, bars, plates, and sheets. Class 141.-Lead, Copper, Zinc, Tin, and Brass in Process of Manufacture.-Lead, graphite, copper in cakes, tiles, ingots, bars; tin, zinc, antimony, bismuth, brass, gun metal.
Class 142.-Gold, Silver, Platinum-Samples of reef and alluvial gold and silver ores, gems and
precious stones, collections of minerals.
N.B.—Machinery and appliances used in the production or manufacture of the above will be placed in the Machinery Section.