Horse pole, with whiffletrees.
Trace and pole chains or straps with patent snaps.
Gong attached to driver’s footboard or
Locomotive bell mounted over steam cylinders.
Steam signal whistle.
Grate bars, dumping or stationary pattern.
Stationary sprinkler, for wetting ashes under grate.
Pop safety valves.
Variable regulator for exhaust nozzles.
Auxiliary steam blast into chimney.