| Reference number | CLP/7ii/7 |
| Level | Item |
| Title | Paper, regarding an instrument for drawing parallel lines without a compass by unknown author |
| Date | 1725 |
| Description | The author describes a brass instrument for drawing parallel lines and measuring their distances without the need for a compass.
Subject: Scientific apparatus and instruments
Read to the Royal Society on 27 May 1725 |
| Language | Latin |
| Extent | 2p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Digital images | View item on Science in the Making |
| Access status | Open |
| Related material | JBO/13/488 |