English: Excerpt of letter by Edmond Halley to Isaac Newton, dated 28 September 1695, regarding Halley's study of comet's orbits.
Português: Trecho de carta de Edmond Halley a Isaac Newton, datada de 28 de setembro de 1695, tratando do estudo de Halley da órbita de cometas.
Date
28 September 1695
date QS:P571,+1695-09-28T00:00:00Z/11
Inscriptions
I must entreat you to procure for me of Mr Flamsteed what he
has observed of the Comett of 1682 particularly in the month
of September, for I am more and more confirmed that we
have seen that Comett now three times, since yͤ Yeare 1531, he
will not deny it you, though I know he will me.
Source/Photographer
Letter from Edmond Halley to Isaac Newton: "Halley to Newton About Comets' Orbits" (28 September 1695). Available on Cambridge University Library as MS Add.3982/3. High quality obtained via Dezoomify.
This image is in the public domain because it is a mere mechanical scan or photocopy of a public domain original, or – from the available evidence – is so similar to such a scan or photocopy that no copyright protection can be expected to arise. The original itself is in the public domain for the following reason:
Public domainPublic domainfalsefalse
This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
This tag is designed for use where there may be a need to assert that any enhancements (eg brightness, contrast, colour-matching, sharpening) are in themselves insufficiently creative to generate a new copyright. It can be used where it is unknown whether any enhancements have been made, as well as when the enhancements are clear but insufficient. For known raw unenhanced scans you can use an appropriate {{PD-old}} tag instead. For usage, see Commons:When to use the PD-scan tag.
Note: This tag applies to scans and photocopies only. For photographs of public domain originals taken from afar, {{PD-Art}} may be applicable. See Commons:When to use the PD-Art tag.
Captions
Add a one-line explanation of what this file represents
Uploaded a work by en:Edmond Halley (1656–1742) from Letter from Edmond Halley to Isaac Newton: "Halley to Newton About Comets' Orbits" (28 September 1695). Available on Cambridge University Library as [http://cudl.lib.cam.ac.uk/view/MS-ADD-03982/3 MS Add.3982/3]. High quality obtained via [https://dezoomify.ophir.dev/ Dezoomify]. with UploadWizard