1986 - Volume #10, Issue #5, Page #35
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French Planter Uses Laser To Mark Rows
Laser beams mark precisely spaced rows on a new, automatically-adjusting hydraulic planter from France.
The beam, projected from a stationary transmitter, is accurate up to 1 mile. Fitted with totally self-contained hydraulics, it continuously monitors row spacing and adjusts row openers back and forth hydraulic..........


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1986 - Volume #10, Issue #5