Fire extinguisher in the early 60s and Purple-K being developed by the US Navy in the late 1960s. Manually applied dry agents such as graphite for class D (metal) fires had existed since WWII, but it wasn't until 1949 that Ansul introduced a pressurized extinguisher using an external CO2 cartridge to discharge the agent. Met-L-X (sodium chloride) was the first extinguisher developed in the US, with graphite, copper, and several other types being developed later. In the 1970s, Halon 1211 came over to the United States from Europe where it had been used since the late 40s or early 50s. Halon 1301
Fort Lauderdale Fire-Rescue Department downtown business district, prompted the city to purchase its first fire equipment consisting of a chemical extinguisher mounted on carriage wheels, and a hand operated pump. Unique to Fort Lauderdale was that the fire department never had horse-drawn apparatus. The chemical extinguisher was pulled to fires by an International Harvester truck, and the pump was pulled to the fire scene by the firefighters themselves. The pump also carried 500 feet of fire hose, which at times was not sufficient to reach fires in the city, due to inadequate roads. The first fire station, the second in Broward County, was built