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DEPARTMENT III.-EDUCATION AND SCIENCE.

EDUCATIONAL SYSTEMS, METHODS, AND LIBRARIES.

CLASS 300.-Elementary instruction. Infant schools and kindergartens, arrangements, furniture, appliances, and modes of training.

Public schools, graded schools, buildings and grounds, equipments, courses of study, methods of instruction, text books, apparatus, including maps, charts, globes, etc.; pupils' work, including drawing and penmanship; provisions for physical training.

CLASS 301.-Higher education. Academies and high

schools.

Colleges and universities. Buildings and grounds; libraries, museums of zoology, botany, mineralogy, art, and archeology; apparatus for illustration and research, mathematical, physical, chemical, and astronomical courses of study; text books, catalogues, libraries, and gymnasiums. CLASS 302.-Professional schools, theology, law, medicine and surgery, dentistry, pharmacy, mining, engineering, agriculture and mechanical arts, art and design, military schools, naval schools, normal schools, commercial schools, music.

Buildings, text books, libraries, apparatus, methods, and other accessories for professional schools.

CLASS 303.-Institutions for instruction of the blind, deaf, and dumb, and the feeble-minded.

CLASS 304.-Education reports and statistics.

National bureau of education.

State, city, and town systems.

College, university, and professional systems. CLASS 305.-Libraries, history, reports, statistics, and catalogues.

CLASS 306.-School and text books, dictionaries, en

cyclopædias, gazetteers, directories, index volumes, biblographies, catalogues, almanacs, special treatises, general and miscellaneous literature, newspapers, technical and special newspapers and journals, illustrated papers, periodical literature. INSTITUTIONS AND ORGANIZATIONS. CLASS 310.-Institutions founded for the increase and diffusion of knowledge. Such as the Smithsonian Institution, the Royal Institution, the Institute of France, British Association for the Advancement of Science, and the American Association, etc., their organization, history, and results.

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CLASS 322.-Weights, measures, weighing and metrological apparatus.

Measures of length; graduated scales on wood, metal, ivory, tape, or ribbon; steel tapes, chains, rods, verniers, rods and graduated scales for measuring lumber, goods in packages, casks, etc., gaugers' tools and methods.

Measures of capacity for solids and liquids. Weights. Scales and graduated beams for weighing; assay balances, chemical balances. Ordinary scales for heavy weights; weighing locomotives and trains of cars. Postal balances. Hydrometers, alcöometers, lactometers, etc.; gravi

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Conductors and insulators, and methods of support, marine telegraph cables.

Apparatus of transmission; keys, office accessories, and apparatus.

Receiving instruments, relay magnets, local circuits.

Semaphoric and recording instruments.
Codes, signs, or signals.

Printing telegraphs for special uses.
Electrographs.

Dial or cadran systems.

Apparatus for automatic transmission.

CLASS 327.-Musical instruments and acoustic appa

ratus.

Percussion instruments, drums, tambourines, cymbals, triangles.

Pianos.

Stringed instruments other than pianos.
Automatic musical instruments, music boxes.
Wind instruments of metal and of wood.
Harmoniums.

Church organs and similar instruments.
Speaking machines.
Vocal music.

ENGINEERING, ARCHITECTURE, CHARTS,
MAPS, AND GRAPHIC REPRESENTATIONS.

(For Agricultural Engineering, see Class 680.)
(For Mining Engineering, see Class 120.)
Land surveying,

CLASS 330.-Civil engineering.
public lands, etc.

River, harbour, and coast surveying. Construction and maintenance of roads, streets, pavements, etc. Surveys and location of towns and cities, with systems of water supply and drainage. Arched bridges of metal, stone, brick, or beton. Trussed girder bridges. Suspension bridges. Canals, aqueducts, reservoirs, construction of dams. Hydraulic engineering and means of arresting and controlling the flow of water.

Submarine constructions, foundations, piers, docks, etc.

CLASS 331.-Dynamic and industrial engineering. Construction and working of machines; examples of planning and construction of manufacturing and metallurgical establishments.

CLASS 332.-Railway engineering. Location of railways, and the construction and management of railways.

CLASS 333.-Military engineering.
CLASS 334.-Naval engineering.

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Inebriate asylums.

Lying-in asylums.

Magdalen asylums.

Asylums for infants and children. Foundling and orphan asylums, children's aid societies. Homes for the aged and infirm; homes for aged men and women; soldiers' homes; homes for the maimed and deformed; sailors' homes. Treatment of paupers. Almshouses, feeding the poor, lodging-houses.

Emigrant aid societies.
Treatment of aborigines.
Prevention of cruelty to animals.
CLASS 347.-Co-operative associations.
Political societies and organizations.
Military organizations and orders.
Trade unions and associations.
Industrial organizations.

Secret orders and fraternities.

CLASS 348.-Religious organizations and systems.Origin, nature, growth, and extent of various religious systems and faiths. Statistical, historical, and other facts.

Religious orders and societies, and their objects.

Societies and organizations for the propagation of systems of religion by missionary effort.

Spreading the knowledge of religious systems by publications.

Bible societies, tract societies, colportage. Systems and methods of religious instruction and training for the young.

Sunday schools, furniture and apparatus.
Associations for religious or moral improvement.
Dispensing charities, church guilds.

CLASS 349.-Art and industrial exhibitions. Agricultural fairs, state and county exhibitions, national exhibitions, international exhibitions, international congresses, etc.

DEPARTMENT IV.-ART.

SCULPTURE.

PHOTOGRAPHY.

CLASS 400.-Figures and groups in stone, metal, clay CLASS 430.-Photographs on paper, metal, glass, wood, or plaster.

CLASS 401.-Bas-reliefs, in stone or metal; electrotype copies.

CLASS 402.-Medals, pressed and engraved; electrotypes of medals.

CLASS 403.-Hammered and wrought work-repoussé and rehaussé work, embossed and engraved relief work.

CLASS 404.-Cameos, intaglios, engraved stones, dies, seals, etc.

CLASS 405.-Carvings in wood, ivory, and metal.

PAINTING.

CLASS 410.-Paintings in oil on canvas, panels, etc. CLASS 411.-Water colour pictures; aquarelles, miniatures, etc.

CLASS 412.-Frescoes, cartoons for frescoes, etc. CLASS 413.—Painting with vitrifiable colours. Pictures on porcelain, enamel and metal.

ENGRAVING AND LITHOGRAPHY.

CLASS 420.-Drawings with pen, pencil or crayons. CLASS 421.-Line engravings from steel, copper or

stone.

CLASS 422.-Wood engravings.

CLASS 423.-Lithographs, zincographs, etc. CLASS 424.-Chromo-lithographs.

fabrics or enamel surfaces.

CLASS 431.-Prints from photo-relief plates, carbon prints, etc.

CLASS 432.-Photo-lithographs, etc.

INDUSTRIAL AND ARCHITECTURAL DESIGNS, MODELS, AND DECORATIONS. CLASS 440.-Industrial designs.

CLASS 441.-Architectural designs; studies and fragments, representations and projects of edifices; restorations from ruins and from documents. CLASS 442.-Decoration of interiors of buildings. CLASS 443.-Artistic hardware and trimmings; artistic castings, forged metal-work for decoration,

etc.

DECORATION WITH CERAMIC AND VITREOUS MATERIALS; MOSAIC AND INLAID WORK.

CLASS 450.-Mosaic and inlaid work in stone. CLASS 451.-Mosaic and inlaid work in tiles, tessaræ, glass, etc.

CLASS 452.-Inlaid work in wood and metal, parquetry, inlaid floors, tables, etc.

CLASS 453.-Stained glass.

CLASS 454.-Miscellaneous objects of art.

DEPARTMENT V.-MACHINERY.

MACHINES, TOOLS, AND APPARATUS OF MINING, METALLURGY, CHEMISTRY AND THE EXTRACTIVE ARTS.

CLASS 500.-Rock drilling.

CLASS 501.-Well and shaft boring.

CLASS 502.-Machines, apparatus, and implements for coal cutting.

CLASS 503.-Hoisting machinery and accessories. CLASS 504.-Pumping, draining, and ventilating. CLASS 505.-Crushing, grinding, sorting, and dressing. Breakers, stamps, mills, pans, screens, sieves, jigs, concentrators.

CLASS 506.-Furnaces, smelting apparatus, and acces

sories.

CLASS 507-Machinery used in Bessemer process. CLASS 508.-Chemical manufacturing machinery. Electroplating.

CLASS 509.-Gas machinery and apparatus.

MACHINES AND TOOLS FOR WORKING

METAL, WOOD, AND STONE.

CLASS 510.-Planing, sawing, veneering, grooving, mortising, tonguing, cutting, moulding, stamping, carving, and cask-making machines, etc., corkcutting machines.

CLASS 511.-Direct acting steam sawing-machines, with gang saws.

CLASS 512.--Rolling mills, bloom squeezers, blowing

fans.

CLASS 513.-Furnaces and apparatus for casting metals, with specimens of work.

CLASS 514-Steam, trip, and other hammers, with specimens of work, anvils, forges. CLASS 515.-Planing, drilling, slotting, turning, shaping, punching, stamping, and cutting machines. Wheel cutting and dividing machines, emery wheels, drills, taps, gauges, dies, etc. CLASS 516.-Stone-sawing and planing machines, dressing, shaping, and polishing, sand blasts, Tilghman's machines, glass-grinding machines,

etc.

CLASS 517.-Brick, pottery, and tile machines. Machines for making artificial stone.

CLASS 518-Furnaces, moulds, blow-pipes, etc., for making glass and glassware.

MACHINES AND IMPLEMENTS OF SPINNING, WEAVING, FELTING, AND PAPER MAKING.

CLASS 520.-Machines for the manufacture of silk goods.

CLASS 521.-Machines for the manufacture of cotton goods.

CLASS 522.-Machines for the manufacture of woollen goods.

CLASS 523.-Machines for the manufacture of linen goods.

CLASS 524.-Machines for the manufacture of rope and twine, and miscellaneous fibrous materials. CLASS 525.--Machines for the manufacture of paper, and felting.

CLASS 526.-Machines for the manufacture of indiarubber goods.

CLASS 527.-Machines for the manufacture of mixed

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