Red comet was one of the largest manufacturers of the carbon-tet fire grenades.

Red Comet Fire Extingisher Company

Glass Grenade Style Fire Extinguisher “Bombs” are glass bulbs (shaped a little like an incandescent light-bulb) filled with an unknown liquid. These types of fire extinguishers were made and used between the years of 1870 and 1910. They would be stored on metal brackets on the wall. If there was a fire, any person young or old would be able to take it out of the holder, and throw it at the fire. The fire would either be put out by it, or it would help to manage the fire enough for the person to escape the flames.

The earliest glass fire-suppression devices or "fire grenades" were hand-blown, patterned, often colored, round glass bottles, usually filled with salt water until about 1900. After the 19th century, the fancy blown glass began to disappear and a more industrial design prevailed, with smooth, frosted or clear glass. The liquid in the clear glass often had a blue or red coloring agent. In most of the more recent devices, a fire suppression chemical usually carbon tetrachloride (CTC) was used.

In addition to being able to be thrown at the fire, the more recent fire grenades usually had a bracket assembly that suspended them directly over areas of particular fire risk, like boilers and furnaces. If high temperatures reach some styles of brackets, it would release the grenade that would then crash and shatter, releasing the fire suppression liquid. Others had heat-activated, spring-loaded triggers that would break the bottom seal, spilling the liquid onto a deflector that would distribute it over a larger area.

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