The gentleman's farriery : or, a practical treatise on the diseases of horses : wherein the best writers on that subject have been consulted, and M. La Fosse's method of trepanning glander'd horses is particularly consider'd and improved; also a new method of nicking horses is recommended; with a copper-plate and description of the machine. To which is added and appendix. Treating, 1. Of particular disorders of the feet. 2. Observations on shoeing horses. With proper cuts /