Isaac Newton's reflecting telescope Size:S: 30 x 25cm Interior of the Theatre Royal

Interior of the Theatre Royal

Exterior view of the Great Exhibition building during its construction

Illustration showing volcanoes and oceans on the Earth's surface

this Bill was designed to prevent the practice of Romanish ritual in Anglican services

Isaac Newton's reflecting telescope Size:S: 30 x 25cm Interior of the Theatre RoyalIsaac Newton's reflecting telescope. The telescope consists of two tubes, one sliding inside the other to focus the mirrors. The tubes are made from layers of paper or cardboard and the upper tube is covered with a layer of decorative vellum. There are two eyepiece holes, one of which is blocked with cork. The inside of the tubes have been painted black and the secondary mirror is positioned inside. 1671