| RefNo | EL/H2/18 |
| Level | Item |
| Title | Letter, from Johannes Hevelius to Henry Oldenburg, dated at Danzig (Gdansk) |
| Creator | Hevelius; Johannes (1611-1687); astronomer |
| Date | 1668 |
| Description | Still believes that stellar distances cannot be determined using a small instrument even if it has 'telescopic sights'; proposes a challenge to Robert Hooke in relation to this problem; concerning the telescope which the Royal Society sent him; concerning the lenses of Titus Livius Burattini (1617-1683); concerning a certain friend's invention of a clockwork equatorial sundial
Read to the Royal Society on 17 December 1668
Postscript to letter has observations of the solar eclipse on 4 November at Danzig with table (figure for solar eclipse found at LBO/2/336)
On reverse is the account of the clockwork equatorial sundial with figure in margin
Read to the Royal Society on 7 January 1669 |
| Language | Latin |
| Extent | 8p |
| Format | Manuscript |
| Place origin | Gda?sk, Pomeranian Voivodeship, Poland |
| Origin coordinates | 54.35205, 18.64637 |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedMaterial | Transcribed and translated in 'The correspondence of Henry Oldenburg', ed and trans by A Rupert Hall & Marie Boas Hall, vol 5, p 181 |
| URLDescription | Also available on Early Modern Letters Online |
| URL | http://emlo.bodleian.ox.ac.uk/profile/work/cfe8c84e-e886-4396-a1e0-d1a348bdf7a3 |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8001 | Oldenburg; Henry (c 1619 - 1677); natural philosopher and scientific correspondent | c 1619 - 1677 |
| NA8253 | Hevelius; Johannes (1611 - 1687); astronomer | 1611 - 1687 |