The modern fire extinguisher was invented by British Captain George William Manby in 1818; it consisted of a copper vessel of 3 gallons (13.6 liters) of pearl ash (potassium carbonate) solution contained within compressed air. History of the …
The first known example of a chemical foam fire extinguisher was that invented in Russia by Alexander Laurant in 1905. The idea was very similar to the principles of the soda-acid extinguisher, but a foam compound was included, which caused some of the gas to be trapped in the liquid, producing a foam.
Who Invented The Fire Extinguisher? – SelectSafety.net
No one person invented the modern fire extinguisher. It was actually an ongoing evolution made by different individuals. However, British Captain George William Manby is given credit for inventing the first portable pressurized fire extinguisher around 1810, called the “Extincteur”.
This is a powder-based agent that extinguishes by separating the three parts of the fire triangle. It prevents the chemical reactions involving heat, fuel, and oxygen, thus extinguishing the fire. During combustion, the fuel breaks down into free radicals, which are highly reactive fragments of molecules that react with oxygen. The substances in dry chemical extinguishers can stop this process.
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How It’s Made Fire Extinguishers Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher