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Acetylene is discovered by Edmund Davy

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Gas welding dates back to the mid 1800s when a mixture of oxygen and hydrogen were used to produce a hot flame to make jewellery.

However, it took a few more decades before acetylene – manufactured by mixing calcium carbide with water – became available and gas welding could develop more into the processes currently used.

When oxygen is mixed with acetylene, a temperature of more than 6000 degrees Fahrenheit – around 3316 degrees Celsius – can be reached, making the gas ideal for welding and cutting.

The first person to make acetylene gas is thought to be British chemist Edmund Davy who, in 1836 when attempting to produce potassium metal came up with potassium carbide which reacted with water to produce a gas. Calcium carbide was identified in 1862 and like potassium carbide, reacted with water to form acetylene.

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