The first laser grade control was developed by agricultural engineers James Fouss and Norman Fausey of USDA's Agricultural Research Service at The Ohio State University in the mid-1960's. That system controlled the precise depth and grade of subsurface drains by regulating trenching and plow-type drainage machines. Photo cells mounted on the drainage machine automatically raised and lowered the digging device, keeping the cells centered on a laser beam set to the desired elevation and grade.
Fouss, James
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Image Caption: Electronic analog computer simulation of the laser‐beam auto‐2007
matic grade‐control system on the plow.
Innovations
The first laser grade control was developed by agricultural engineers James Fouss and Norman Fausey of USDA's Agricultural Research Service at The Ohio State University in the mid-1960's. That system controlled the precise depth and grade of subsurface drains by regulating trenching and…
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