We have lately seen one of these implements, represented in the engraving, and we have been so well pleased with it that we have made arrangements for keeping a constant supply at our agricultural wareroom. It is simple in its construction and unerring in operation. Suppose the ground to be prepared for the seed, the wedge-like projection on the face of the wheel makes a furrow of the proper depth, into which the seed are dropped through a small tube leading to it.