DRAFT OF A CLASSIFICATION FOR THE WORLD'b FAIR. 723 



866. Dental Surgery and Dental Mechanism. 



Operative cleutistry. 



False teeth and substitutes. 



Office appliances, chairs, etc. 



867. Veterinary Surgery' and Medicines. 



(See also 180.) 



868. Pharmacology, Drugs, Pharmacy, etc. 



Medicines, official (in any authoritative pharmacoptpia) articles of the mate- 

 ria medica, preparations, unofficial. 

 Pharmaceutical apparatus. 



869. Miscellaneous Apparatus for the use of the Sick, Infirm and Insane. 



Accessory articles used in the medical, surgical, and pharmaceiitical serv- 

 ice of hospitals and infirmaries. 



Vehicles and appliances for the transportation of tlie sick and wounded, on 

 shore or at sea. 



87. Public Comenience and Safety. 



870. Develop.ment of Paternal and Protective Relations of Government 



to Peoi'lf. 

 Historical collections. 



871. Pui'.Lic Accommodation i?y Act of Government, or Under its Rf(;ula- 



TION. 



Public highways — Roads and paths, streets, bridges, parks and sixuares. 



Water supply — Public fountains and springs, ''the town pump," domiciliary 

 supply, public water privileges for industrial uses, reservoirs, aqueducts 

 and their accessories, public baths and laundries. 



Light su]iply (so far as regulated by the Government)— Street illumination, 

 gas works and gasometers, electric-light plant. (For mechanical display, 

 see 422 and 433.) 



Transportation (so far as regulated by the Government) — Street passenger 

 vehicles; railways and steamboats; common carriers; baggage and ex- 

 press ; mail and messenger systems, not governmental ; telegraphic and tel- 

 ephone service. 



872. Protective Supervision. 



Sanitary supervision — Vaccinal ion and its enforcHUieut. Isolation of con- ■ 

 tagious disease. Quarantine. Prevention and elimination of animal epi- 

 demics. 



Food inspection: Treatnn-nt of adnlterated foods. Inspection and analysis. 

 Treatment of stale food substances. Regulation of abattoirs, mills, etc. 

 Regulaticm of sale of horses. Protective devices. 



Building inspection, etc. — Building regulations and inspection. Building 

 drainage and plumbing. Fire regulations, fire escapes, etc. 



Personal inspection — Color tests, etc., for transportation hands, etc. Pro- 

 fessional examination for licenses. 



Immigration — Reception, care and protecticm of immigrants. Statistics of 

 enumeration. 



873. Public and Domestic Hygiene. 



Appliances, instruments, and apparatus used in hygienic investigations. 



Sanitary appliances and methods for dwelling houses, buildings, and cities. 

 Direct renewal of air — heating, ventilating, lighting, in their relation to 

 health. Conduits of water and sewage. Drains and sewers. Flushing 

 tanks, hydraulic syphons, water-closets, public and private latrines. 

 Sinks, night-soil apparatus, sanitary jdnmbing, walls, bricks, roofs, floor- 

 ing, etc. Sanitary house decoration, non-poisonous paints and wall papers, 

 floor coverings, washables, decorations, etc. 



