Steam and Water Cooker

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Pressure cooking is a method of cooking in a sealed vessel that does not permit air or liquids to escape below a preset pressure. Because the boiling point of water increases as the pressure increases, the pressure built up inside the cooker allows the liquid in the pot to rise to a higher temperature before boiling.




Government Printing Office The Official Gazette of the United States Patent Office (Washington, DC: Government Printing Office, 1895)


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