TY - BOOK ID - BVMC:1054602 AU - Rutherforth, Thomas TI - 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 UR - 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 ER -