The Panama Pacific International Exposition 1915

MANUFACTURES AND VARIED INDUSTRIES Class 346. Stoves, furnaces and boilers, peculiar to the various systems of hot air, hot water and steam heating. Heating stoves using wood, coal, gas or other fuel. Fittings for same. Class 347. Radiators of heat used in connection with heating systems. Class 348. Kitchen ranges and fittings, steam cooking ranges, hot water boilers, combined cooking and heating stoves, special forms of cooking stoves and apparatus. Ranges and other kitchen equipment for pre- paring food in large quantities. Cooking utensils. Class 349. Accessories to heating and ventilation. Measuring and registering ap- paratus ; ordinary and self-registering thermometers, pyrometers, anemometers; regulators of temperature, of draft, of pressure; au- tomatic drip cocks and air cocks, cocks especially fitted for heating apparatus, electric thermostats. Class 350. Chimney fittings. Dampers for chimneys, flue stoppers, special sheet iron chimney pots. Openings for hot air and ventilation ; gratings and plates. Class 351. Stoves and chimneys in earthenware. Fireplace and chimney pottery. Earthenware and refractory materials for heaters, stoves and chimneys. • Class 352. Hearth furnishings; fire lighters; ash sifters; utensils for cleaning and repairing heaters and stoves; other accessories. GROUP 70 MANUFACTURE, DISTRIBUTION AND USES OF GAS FOR LIGHT AND FUEL • Class 353. Manufacture of gas: processes and apparatus for manufacturing gas from coal; processes and apparatus for manufacturing water gas; processes and apparatus for manufacturing oil gas; apparatus and materials for the physical and chemical cleansing of gas; apparatus for testing crude materials and manufactured gas. • Class 354. Distribution of gas: pipe, pipe fittings, valves, pressure-regulating apparatus; tools used in laying mains or services; meters and gas measuring apparatus; appliances for the transmission of gas, in- cluding exhausters and compressors. (See Class 464.) ■ Class 355. Uses of gas: incandescent gas lamps and mantels, gas burners, and appliances for gas lighting; appliances for cooking by gas; appli- ances for heating by gas, including water heaters and hot air fur- naces; appliances for utilizing gas for industrial purposes. GROUP 71 APPARATUS AND METHODS FOR LIGHTING, NOT OTHERWISE CLASSIFIED Olass 356. Lighting by means of vegetable or mineral oils, petroleum, shale heavy oil, heavy oil sprayed. Lamps, burners, wicks, lamp chimneys, and other accessories. Apparatus for domestic, industrial and pub- lic lighting. [ 33 ]