while turning or moving the machine, attached to the outside, or inside of the front ends of the side pieces one at nine, and the other at fifteen inches from the ends by two bolts, and taps each are two plow bars,eighteen inches long to the lower ends of each of which are attached by means of two screw-bolts, two half shovels; twelve inches long and ten wide at the wing; right and left, or two six inch bar-share plows; with six inch land side, right, and left to which are attached by bolts, and taps in the usual way, a bar and share, and stayed by two rods, bolts, 