Isaac Newton's reflecting telescope mb-code 1194250 facing a small table upon

facing a small table upon which he holds a book

to mark the Golden Jubilee of King George III

Earl's Court House was Mrs Bradbury's establishment for the reception of ladies nervously affected

looking through a glass or microscope

The leaves of 'Quercus alba virginiana'

Isaac Newton's reflecting telescope mb-code 1194250 facing a small table uponIsaac 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