Valentine Artist Boyd Elder Sets a Contour
All patterns are plowed on contours which are reset every 200 feet. The device shown here is an optical transit. We now use a laser transit which can be operated by one person and which is much faster.
All patterns are plowed on contours which are reset every 200 feet. The device shown here is an optical transit. We now use a laser transit which can be operated by one person and which is much faster.
