1989 - Volume #13, Issue #3, Page #22
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Sight Guide for Fieldwork
"We think it's the easiest, most effective sight guide ever developed," says Jean-Claude Ruelle, inventor and manufacturer of the Optivision guide for tractors that's designed to help keep the tractor on the row for fieldwork.
The guide consists of long metal rods that form a "V" above the tractor hood in front o..........


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1989 - Volume #13, Issue #3