An experimental course of mechanical philosophy : Whereby such a competent skill in natural knowledge may be attained to, (by means of various instruments, and machines, with which there are above three hundred curious, and useful experiments performed) that such persons as are desirous thereof, may, in a few weeks time, make themselves better acquainted with the principles of nature, and the wonderful discoveries of the incomparable Sir Isaac Newton, than by a years application to books, and schemes. / By Isaac Greenwood, A.M.