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Note about reflecting telescope by Isaac Newton

Reference number: EL/N1/50


'A new invention of Telescope which performs the effect of much longer ordinary ones by reflecting the object from a metallin concave to a metallin speculum, and from them through a smal microscopical plano-convex glas, to the Eye'

Translated into French mentioning that the first essay was on the length of the tube

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Isaac Newton

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Isaac Newton, Note about reflecting telescope by Isaac Newton, EL/N1/50, The Royal Society Archives, London,, accessed on 10 December 2023

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  • Early Letters

    Dates: 1613-1740

    The archival collection known as 'Early Letters' is composed of original manuscript letters sent to, or collected by, the Royal Society from English and foreign correspondents.

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