TENNIS BALLS

ELECTRIC EXTENSION CORDS FITTED WITH ATTACHMENT PLUGS AND LAMP SOCKETS, LAMPS, AND GUARDS

REMEDY FOR CORNS AND CALLI

[ COAL GAS, AND OIL BURNING STOVES, FURNACES, AND HEATERS FOR HEATING AND MECHANICAL DRAFT; FORGES, STEAM BOILERS, STEAM ENGINES, STEAM TRAPS, SEPARATORS, FURNACE DRAFT APPARATUS, ] VENTILATING FANS, VENTILATING APPARATUS [ ; HEATING, VENTILATING AND DRYING SYSTEMS; AND INTERCHANGERS AND ECONOMIZERS FOR EFFECTING TRANSFER OF HEAT ]

CENTRIFUGAL FANS, CENTRIFUGAL PUMPS, PROPELLER FANS, BLOWERS, TUYERES, TOBACCO-CURING MACHINERY, PNEUMATIC CONVEYORS, APPARATUS FOR MOISTENING SUBSTANCES, APPARATUS FOR DRYING SUBSTANCES, APPARATUS FOR MOISTENING OR HUMIDIFYING AIR OR GASES, APPARATUS FOR DRYING OR DEHUMIDIFYING AIR OR GASES, APPARATUS FOR FILTERING AIR OR GASES, APPARATUS FOR COOLING AIR OR GASES, APPARATUS FOR CONDITIONING AIR OR GASES, AND DUST SEPARATORS, FLUID-PRESSURE MOTOR ENGINES, INCLUDING TURBINE MOTORS