Isaac Newton's reflecting telescope mb-code 1194250 The leaves of 'Quercus alba

The leaves of 'Quercus alba virginiana'

Plate 12 figures 1-6 from the paper 'On the structure of the crystalline lens in fishes and quadrupeds

with his dog sitting next to him

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

Old Clothes

Isaac Newton's reflecting telescope mb-code 1194250 The leaves of 'Quercus albaIsaac 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