Cast Iron Cooking Pot

Contributed by Ironbridge Gorge Museum Trust

Cast iron cooking pot and patent. The cooking pot that changed the world. Copyright Ironbridge Gorge Museum Trust

Such pots were very complex to make. Being able to produce one meant it was possible to make almost any iron componentCasting by pouring molten metal into a hollow mould is the quickest way of manufacturing complex shapes in iron. Abraham Darby I patented his method of sand casting iron pots using re-usable patterns in 1707 and laid the foundation for the British foundry industry. This technology was able to provide mine owners with iron wheels, steam engine cylinders and machinery. By the end of the century foundries were springing up across the country supplying not only items for factory owners, but also grates and cooking pots for Britain's growing urban population, and farmers with the implements used to grow the food to feed them. Abraham Darby's patent for sand casting pots and his use of coke as a fuel instead of charcoal was the breakthrough. By using coke, iron of a good quality could be easily produced in large quantities, enabling cast iron goods to be made in large numbers. This was the beginning of the mass production of cast iron goods.

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