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May 25th, 2019 : The da Vinci Car
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05-26-2019, 03:53 AM
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newtimer
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Join Date: Apr 2008
Posts: 479
I suspect this was designed to carry loads of stuff up a slope, maybe out of a mineshaft or up the ramp of a ship. Then, on the way back down to get another load, the spring would wind itself for the next trip up.
Notice there are no brakes.
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