| Reference number | EL/B1/108 |
| Level | Item |
| Title | Letter, from William Balle to Henry Oldenburg, dated at Mamhead, Devon |
| Date | 14 April 1666 |
| Description | Autograph letter with observations of Saturn and of Mars
There is a figure of Saturn as it was seen at 4 am with a 12 foot glass
Balle has also attached a paper model of Saturn as it was seen in Mamhead, Devon with a telescope 38 foot approximately and a double eyeglass
A copy of Balle's accounts for expenditure on magnets is attached |
| Language | English |
| Extent | 3p |
| Format | Manuscript |
| Place origin | Mamhead, Devon, England |
| Origin coordinates | 50.61548, -3.51004 |
| Digital images | View item on Science in the Making |
| Access status | Open |
| Related material | Transcribed in LBO/28/ 63
Transcribed in 'The correspondence of Henry Oldenburg', ed and trans by A Rupert Hall and Marie Boas Hall, vol 3, p 89 |
| URL description | Also available on Early Modern Letters Online |
| URL | http://emlo.bodleian.ox.ac.uk/profile/work/e8599b0e-7e61-4761-86a9-e3378647f597 |
Fellows associated with this archive
| Code | Name | Dates |
| NA8001 | Oldenburg; Henry (c1619 - 1677); scientific correspondent | c1619 - 1677 |
| NA4277 | Ball; William (c1627 - 1690); astronomer | c1627 - 1690 |