The title of the film was taken from theBattle Hymn of the Republic, by Julia Ward Howe ("Mine eyes have seen the glory of the coming of the Lord, He is trampling out the vintage wherethe grapes of wrathare stored, He has loosed he fateful lightning of His terrible swift sword, His truth is marching on").Advertising posters for the film read:"Dirty Harry and the homicidal maniac.Harry""s the one with the badge.""You don""t assign him to murder cases.You just turn him loose.""Detective Harry Callahan.He doesn""t break murder cases.He smashes them."Eastwood followed up with four other fast-paced, commercially-successful, but formulaic ""Dirty Harry"" cop-thriller sequels:Magnum Force (1973)(d.Delmar (with his cat Murphy).He rushed over to help save them as the criminals fled.When Peter called Happy Hogan, he learned his father figure, Tony Stark, was in the midst of a major move.BIGGER than the T-Rex." Claire convincingly added:Every time we""ve unveiled a new asset, attendance has spiked.Global news coverage.Celebrity visitors.Eyes of the world.Inside the Innovation Center ("Where technology meets prehistory"), the two boys (mostly Gray) were entranced by the holographic life-sized projection of an Apatosaurus (and later a Parasaurolophus), various paleontologist do-it-yourself exhibits (Digging For Dinosaurs), and a 3-screen set of monitors showing a documentary about the extinction of the dinosaurs.