An Extract of a Letter, received very lately, (March 19th) from the Inventor of this new Telescope, from Cambridge
Author: Isaac Newton
Metadata: 25 March 1672,
in English
, c. 413 words, 2 pp.
Source: ‘An Accompt of a New Catadioptrical Telescope invented by Mr. Newton’, Philosophical Transactions of the Royal Society, No. 81 (25 March 1672), pp. 4009-4010.
