SIGNALLING AND LIFE-SAVING APPARATUS AND PARTS THEREOF,[FIRE ALARMS]AND PYROTECHNIC ARTICLES CONSISTING OF ROCKETS, INCLUDING PYROTECHNIC ROCKETS USED FOR DROPPING FLARES TO ILLUMINATE AREAS OR TO ACTAS SIGNALS [FIRE ALARM ROCKETS WHICH AREHELD STATIONARY AND UPON DISCHARGE PRODUCE A WHISTLE OR OTHER NOISE,] LIFE-SAVING ROCKETS CARRYING A LINE PROJECTORS FORFIRING ROCKETS, STANDS FOR SUPPORTING [STATIONARY ROCKETS,]CASES FOR AND PARTS OF SAID ROCKETS AND PROJECTORS, AND [CARTRIDGES, FLARES, P...