The invention of the pressure cooker.

definition

A pressure cooker is an autoclave designed for high-temperature cooking[1].

INVENTION

The French physicist and mathematician Denis Papin invented the presure cooker in 1679 in order to easily prepare bone broths and cook meats. Here is a labelled diagram[2] of his “steam digester” (as he called it):

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Here is a photograph[3] of a version of Papin’s original pressure cooker (or “steam digester”):

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inventor

Here is a painting[4] of Denis Papin:

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1647-1713

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sources
  1. https://encyclopedia2.thefreedictionary.com/pressure+cooker
  2. https://archive.org/details/b30330245/mode/2up, before page 1.
  3. http://scihi.org/denis-papin-pressure-cooker/
  4. https://en.wikipedia.org/wiki/Denis_Papin

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