| Company | Timeline | Status | |
| The Newcomen Society For The Study Of The History Of Engineering And Technology Director • Museum Curator | 21 Nov 1991←4 Years→9 Oct 1996 | Active | |
| Antiquarian Horological Society(The) Director • Curator | 30 Sep 1991←3 Months→16 Jan 1992 | Active | |
| The Newcomen Society For The Study Of The History Of Engineering And Technology Director • Unreported | 1 Jan 1970←26 Years→9 Oct 1996 | Active | |
