Kept from www.gutenberg.org · 6 files · 8.5 MBCall number NEW B1687.01
Provenance
- Source
- www.gutenberg.orgalso archive.org
- Retrieved
- 1 October 2026
- Source terms (summary)
- Project Gutenberg: free use, almost no restrictions
- Rights
- Public domainNewton's own text, as far as the record shows: its edition and notes name no translator or editor.Basis: author death year 1727, under a life-plus-70-years rule, as of 2026; other rules, such as the United States publication-date rules, are not assessed.
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- plain text, EPUB, LaTeX, OCR text
- Fingerprint
a734045637deef5fsha256 of the file (64 characters). Any change to the file changes this code.22ce71d469deb44b 19f73583d9576a96 46db8dd3431b30ab - Cite as
- Isaac Newton, Philosophiae Naturalis Principia Mathematica (1687). Long Keeping, call number NEW B1687.01. https://longkeeping.com/isaac-newton/philosophiae-naturalis-principia-mathematica/
Unchanged since collected
At the last check, on 2 October 2026, all 903 originals, this work's 6 files 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
- #1The file carries images, and no check is recorded yet that none of them is a picture of the person (the collection keeps no likenesses).
- #2Machine-read text (OCR), not proofread, with no page images in the file to check it against.
- #4A robots or site-policy slip: fetched from Project Gutenberg's main site, whose policy asks for human visitors only, or by a Wikisource request its robots rules disallow.
- #10An Internet Archive derivative made from the scan, not the master scan.