Telescope design that collects and focuses light with a combination of mirrors

A discourse on the invention and improvements of the reflecting telescope. Delivered at the anniversary meeting of the Royal Society, November 30, 1777. / By Sir John Pringle, Baronet, President. Published at their request.

Mirror mirror : a history of the human love affair with reflection / Mark Pendergrast.

From January 2026 Wellcome Collection will close at 18.00 on Thursdays.

We're running paid user research studies to improve Wellcome Collection online