Long Keeping longkeeping.com · Reading room
Paper · 1672 · age 29

An Accompt of a New Catadioptrical Telescope invented by Mr. Newton


by Isaac Newton

Kept from archive.org · 3 files · 1.2 MBCall number NEW P1672.02

Provenance

Source
archive.orgalso www.newtonproject.ox.ac.uk
Retrieved
1 October 2026
Source terms (summary)
Internet Archive item shows no rights statement
Rights
To checkNewton's paper with editorial text by Henry Oldenburg, who died in 1677.Basis: author death years 1727 and 1677, under a life-plus-70-years rule, as of 2026; other rules, such as the United States publication-date rules, are not assessed.The death year here is not in the archive's records; it comes from general knowledge.Files in this work carry different labels; each is listed below.
Formats
HTML, PDF scan, OCR text
Fingerprint
5a964039ebb9a8a574220a390ed32ed3b54b8cd7683eceaa2b5345c2c4597e02sha256 of the file (64 characters). Any change to the file changes this code.
Cite as
Isaac Newton, An Accompt of a New Catadioptrical Telescope invented by Mr. Newton (1672). Long Keeping, call number NEW P1672.02. https://longkeeping.com/isaac-newton/an-accompt-of-a-new-catadioptrical-telescope-invented-by-mr/
Unchanged since collected At the last check, on 2 October 2026, all 903 originals, this work's 3 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.
  • #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.
  • #10An Internet Archive derivative made from the scan, not the master scan.

Original

Held in the archive: a deciding date not yet confirmed from a source.

See it at its source (another site)

Files

First pass, not a clearance.

FileFormatSizeSourcesha256Label
ia-philtrans-1672-catadioptrical-telescope.pdfmain PDF scan 1.2 MB archive.org 5a964039ebb9a8a574220a390ed32ed3b54b8cd7683eceaa2b5345c2c4597e02 To checkNewton's paper with editorial text by Henry Oldenburg, who died in 1677.Basis: author death years 1727 and 1677, under a life-plus-70-years rule, as of 2026; other rules, such as the United States publication-date rules, are not assessed.The death year here is not in the archive's records; it comes from general knowledge.Held in the archive: a deciding date not yet confirmed from a source. Its source (another site)
ia-philtrans-1672-catadioptrical-telescope_djvu.txt OCR text 16 KB archive.org 8c3738ea400e511097917a513d7db786c61c6b9e67b88bd6504e9deb5c57021f To checkNewton's paper with editorial text by Henry Oldenburg, who died in 1677.Basis: author death years 1727 and 1677, under a life-plus-70-years rule, as of 2026; other rules, such as the United States publication-date rules, are not assessed.The death year here is not in the archive's records; it comes from general knowledge.Held in the archive: a deciding date not yet confirmed from a source. Its source (another site)
NATP00007.html HTML 23 KB www.newtonproject.ox.ac.uk 4d17ab3485a65ed282c4b6140d638da71db667f2720fb13a52e726428f729a31 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)