ter, are made and connected together by a round axle-tree, twenty inches thick and thirty feet long; between these wheels, and with its spokes inseparably framed into their axle-tree, another wheel is placed, fourteen feet in diameter, round the rim of which a rope is several times passed, with one end fastened through the rim, and with the other end loose, but in such a condition as to produce a revolution of the wheel whenever it is pulled. This apparatus is so moved as to have the stump, on which it is intended to operate, midway between the largest wheels, and nearly under the axle-tree; and these wheels are so braced as to remain steady. A very strong chain is hooked, one end to the body of the stump, or its principal root, and the other to the axle-tree. The power of horses or oxen is then applied to the loose end of the rope above-mentioned, and as they draw, rotary motion is communicated, through the smallest wheel, to the axle-tree, on which, as the chain hooked to the stump winds up, the stump itself is gradually disengaged from the earth in which it grew. After this disengagement
