Long Keeping longkeeping.com · Reading room
Letter · 1687 · age 44

Letter to Edmund Halley on the sun's parallax to the moon and other matters

by Isaac Newton

Kept from www.newtonproject.ox.ac.uk · 1 file · 13 KBCall number NEW L1687.01

Provenance

Source
www.newtonproject.ox.ac.uk
Retrieved
1 October 2026
Source terms (summary)
'(c) 2026 The Newton Project' (page footer)
Rights
Likely in copyrightModern Newton Project transcription with a current copyright notice; Newton's own words are public domain.Basis: added material: modern diplomatic transcription, '(c) 2026 The Newton Project'.
Formats
HTML
Fingerprint
918e72a5767f5142b987fa75189cea9468b928f5384c55ca6fb6598f0bd85ebfsha256 of the file (64 characters). Any change to the file changes this code.
Cite as
Isaac Newton, Letter to Edmund Halley on the sun's parallax to the moon and other matters (1687). Long Keeping, call number NEW L1687.01. https://longkeeping.com/isaac-newton/letter-to-edmund-halley-on-the-sun-s-parallax-to-the-moon-an/
Unchanged since collected At the last check, on 2 October 2026, all 903 originals, this work's file among them, matched the fingerprints recorded when they were collected. Each copy is re-checked by hand once a year; there is no automatic alert yet.

Notes on this copy

  • #6The source's terms restrict reuse (a copyright notice, a non-commercial licence, research use only, or permission required). The work's source terms say why it is served or held.

Original

Held in the archive: likely in copyright.

See it at its source (another site)

Files

First pass, not a clearance.

FileFormatSizeSourcesha256Label
NATP00330.htmlmain HTML 13 KB www.newtonproject.ox.ac.uk 918e72a5767f5142b987fa75189cea9468b928f5384c55ca6fb6598f0bd85ebf Likely in copyrightModern Newton Project transcription with a current copyright notice; Newton's own words are public domain.Basis: added material: modern diplomatic transcription, '(c) 2026 The Newton Project'.Held in the archive: likely in copyright. Its source (another site)