This is a series of 5 films all starring Clint Eastwood as San Francisco Police Department detective “Dirty” Harry Callahan. He is one of the earliest examples of the Cowboy Cop. His main weapon is the Smith & Wesson Model 29 .44 magnum revolver.
The Principia was published on 5 July 1687 with encouragement and financial help from Halley. In this work, Newton stated the three universal laws of motion.