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| Rail Road Pump Trolley on tracks |
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| flyingtractors1:
Thanks Bernd. Yes, it is the same principle as the "finger machine", but the wheels of the cart serve the purpose of the flywheel and allow it to scoot along as they turn. Ralph |
| Divided he ad:
Ahh! A crank I see :thumbup: I see it a bit slower now Ralph. looks fun with the little guy on there too :ddb: Ralph. |
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