Isaac Newton's reflecting telescope Size:XS: 20 x 15cm Study of an energetic eruption

Study of an energetic eruption with plumes of gas and ash

'The Chinese collection

A satire on the Convention of Cintra of 1808

I Don't Care Twopence For Your Noise

schoolgirls did needlework and domestic science but today (23rd January 1968) a few girls have lessons in car maintenance in their school rota

Isaac Newton's reflecting telescope Size:XS: 20 x 15cm Study of an energetic eruptionIsaac 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