| RefNo | EL/P1/15 | 
| Level | Item | 
| Title | Copy of a letter, from William Petty to William Brouncker | 
| Creator | Petty; Sir; William (1623-1687); natural philosopher; administrator in Ireland | 
| Date | 1662 | 
| Description | Original dated 29 October 1662 Account of Petty's double-bottomed ship (catamaran) with figures in text
 | 
| Language | English | 
| Extent | 4p | 
| Format | Manuscript | 
| Digital images | View item on Science in the Making | 
| AccessStatus | Open | 
| RelatedMaterial | Original is EL/P1/14 B&W negative of part of the letter, Box N101.  IM/005329
 | 
| RelatedRecord | IM/005329 | 
| URLDescription | Also available on Early Modern Letters Online | 
| URL | http://emlo.bodleian.ox.ac.uk/profile/work/8918676d-b93a-4770-ad51-9cfdb33413a2 | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA3503 | Brouncker; William (c 1620 - 1684); 2nd Viscount Brouncker; mathematician | c 1620 - 1684 | 
| NA8268 | Petty; Sir; William (1623 - 1687); natural philosopher, administrator, and economist | 1623 - 1687 |