23 INTERNAL COMBUSTION ENGINES, FLYWHEELS, TRANSMISSIONS, CLUTCHES, WATER PUMPS, [ FUEL PUMPS, CHARGING PUMPS, ] OIL PUMPS, COMPRESSORS, CARBURETORS, INTAKE MUFFLERS, EXHAUST MUFFLERS, FANS, SPEED GOVERNORS, HYDRAULIC AND PNEUMATIC BRAKES FOR USE WITH MACHINERY, BRAKE LINKAGES AND BRAKE SHOES FOR USE WITH MACHINERY, POWER REGULATORS [ , AND BICYCLE CHAINS ]