1987 - Volume #11, Issue #4, Page #21
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Rotary Rock Picker
Australian farmer Stuart Tohl built this rotary rock picker that sifts through soil to pick both rocks and roots.
The picker consists of a 2¢-ton capacity circular bin equipped with sets of steel tines mounted on a routing frame. The curved tines scoop through the dirt, carrying rocks up into the bin and then dr..........


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1987 - Volume #11, Issue #4