@Book{BVMC:1054602, author = {Rutherforth, Thomas}, title = {A system of natural philosophy, being a course of lectures in mechanics, optics, hydrostatics, and astronomy: which are read in St. Johns College Cambridge / by T. Rutherforth...; vol. I}, url = {https://www.cervantesvirtual.com/obra/a-system-of-natural-philosophy-being-a-course-of-lectures-in-mechanics-optics-hydrostatics-and-astronomy-which-are-read-in-st-johns-college-cambridge-by-t-rutherforth-vol-i-1054602} }