French press and autoclave: what they have in common

1. Step 1. French press — has part — Piston. A plunger with a mesh.
2. Step 2. Piston — is part of — Newcomen engine. Atmospheric pressure moves the piston.
3. Step 3. Newcomen engine — was inspired by — Pressure cooker. Papin’s experiments with steam and a piston preceded Newcomen’s engine.
4. Step 4. Pressure cooker — works like — Autoclave. Papin’s digester was the prototype of the autoclave.

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