Pressure cooker
device · 1679 · Early modern era
Papin’s steam digester for cooking under pressure.
What it is made of
- Safety valve — has part. Papin invented the safety valve precisely for his digester.
Principles and materials it uses
- Pressure — uses. Higher pressure raises the boiling point.
- Cast iron — is made of. Papin’s digester was a cast-iron vessel.
History: what it evolved from and what it influenced
- Newcomen engine — inspired. Papin’s experiments with steam and a piston preceded Newcomen’s engine.
Things built in a similar way
- Autoclave — works like. Papin’s digester was the prototype of the autoclave.