"c s soh" <cssoh@singnet.com.sg> skrev i meddelandet
news:3D64C7B8.3FD533F7@singnet.com.sg...
> Thanks to a couple of kind folks, I've been able to trace the art of
> building pneumatic "steam"-engines to the early days when the single
> acting cylinders were introduced by LEGO.
> http://www.geocities.com/cssoh1/oldengin.htm