Fire Extinguisher

Q: How I can find the age of this Pyrene Soda Acid fire extinguisher? It was made in Toronto, Canada. A: Soda acid fire extinguishers were patented in the United States in 1881. The extinguishers use sodium bicarbonate and sulfuric acid to put out “Class A” fires—burning paper, wood, cloth, and some plastics. Pyrene Manufacturing […]