gcoover Posted October 29, 2018 Author Share Posted October 29, 2018 Or maybe we should have asked what that creature is in the mirror? Would have been perfect for Halloween! So Adrian, I have to ask, does your Stirling engine make a sound like "cuppa cuppa cuppa"? And, how do we get it to power a concertina? Gary Quote Link to comment Share on other sites More sharing options...
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