| Reference number | EL/N1/50 |
| Level | Item |
| Title | Note about reflecting telescope by Isaac Newton |
| Date | nd |
| Description | 'A new invention of Telescope which performs the effect of much longer ordinary ones by reflecting the object from a metallin concave to a metallin speculum, and from them through a smal microscopical plano-convex glas, to the Eye'
Translated into French mentioning that the first essay was on the length of the tube |
| Language | French |
| English |
| Extent | 1p |
| Format | Manuscript |
| Digital images | View item on Science in the Making |
| Access status | Open |
| URL description | Also available on Early Modern Letters Online |
Fellows associated with this archive
| Code | Name | Dates |
| NA8414 | Newton; Sir; Isaac (1642 - 1727); natural philosopher and mathematician | 1642 - 1727 |