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This is an exquisitely crafted Stirling Engine, built from brass and glass by Jos de Vink (Jos the Finch). It’s a perfect demonstration of the engine’s stunning efficiency: The pistons and flywheels are driven by nothing more than the heat from four tea-lights.

There are plenty more of these beautiful machines on Jos’s website, and below is a higher resolution photo of the one you see here.
Product page [Hetnet via Watchismo Times]

v4engine-nr15-35pct1.jpg

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