最終更新日：2025/12/03
The harmonic engine in the museum operated using two small electromagnets to sustain the vibrations of a heavy, heavily-weighted tuning fork whose arms drove two pistons of a miniature pump.
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The harmonic engine in the museum operated using two small electromagnets to sustain the vibrations of a heavy, heavily-weighted tuning fork whose arms drove two pistons of a miniature pump.
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