Pressure chamber and newcomen engine: what they have in common

1. Step 1. Pressure chamber — is part of — Autoclave. A sealed chamber.
2. Step 2. Autoclave — works like — Pressure cooker. Papin’s digester was the prototype of the autoclave.
3. Step 3. Pressure cooker — inspired — Newcomen engine. Papin’s experiments with steam and a piston preceded Newcomen’s engine.

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