Isaac Newton's reflecting telescope Size:S: 30 x 25cm Grand Union Canal lock keeper

Grand Union Canal lock keeper

Illustration showing volcanoes and oceans on the Earth's surface

driven by E Weaver

1924 Bugatti Type 35

A guide to Bullock's Museum

Isaac Newton's reflecting telescope Size:S: 30 x 25cm Grand Union Canal lock keeperIsaac 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