Add to ORKGPatent for a new and improved plow-stock. This design "has for its object to provide an implement of peculiar novel construction, whereby the different forms of plowshares, shovels, or other cultivating implements or combinations of different cultivating instrumentalities may be varied, interchanged, and adjusted at will to suit the character of the soil, the nature of the crop, or the requirements of the occasion" (lines 8-16)