This is a machine made one piece oil lamp from the early 1900's. It has a basic square shape with alternating large and small panels. It has a brass insert collar with an Eagle burner. The lamp stands 8 1/2" tall to the top of the collar and 17 1/4" with the chimney. It also measures 5 1/4" across the base. The glass is thick and of good quality. Fill with oil and it is ready to burn.