| Level | Item |
| Ref No | US/PH/2/5/497 |
| Title | Staff portraits: Dr Trevor Clifton |
| Date | [1990s-2000s?] |
| Extent | 1 colour photograph |
| Name of Creator | Photographer unknown |
| Description | Photograph of Dr Trevor Clifton who was appointed a Director by independent technical consultancy Smith System Engineering |
| Copyright | Original copyright holder not identified |
| Format | Photograph |