| RefNo | RBO/9/108 | 
| AltRefNo | RBO.9.303 | 
| Level | Item | 
| Title | Account of Reverend Felix Bernard's machine by William Jones | 
| Date | 1713 | 
| Description | Machine has two springs with intermediate wheels which produce perpetual motion Discusses quadrature of the circle Read to the Royal Society on 7 May 1713 | 
| Language | English | 
| Extent | 2 sides | 
| Format | Manuscript | 
| Digital images | View item on Science in the Making | 
| AccessStatus | Open | 
| RelatedRecord | CLP/3ii/9 |