| Date | Change | Source |
|---|
| 2 Jan 2023 | PN amended | Bridget Taylor, secretary #004369 |
| 19 Apr 2020 | Listing Grade changed to I (from II) | TimJ / NHLE via e-mail |
| 28 May 2019 | Sct: nominal,diam added | Chris Pickford via 00013431 |
| 4 Jul 2015 | Sct: frame id added; fr: truss,layout added | Mike Chester via 00011246 |
| 21 Jan 2012 | Sct: turning, (app) date added | John Baldwin via database |
| 24 Jul 2009 | 1-8: nominal, turning, frame id added; 8: diam amended; | Andrew Higson via 00007863 |
| Sct: wt amended; frame info added | Andrew Higson via 00007863 |
| 1 Jul 2005 | URL modified | Kate Crennell via e-mail |
| 4 Mar 2005 | URL reinstated - apparently now working again | Kate Crennell via e-mail |
| 26 Aug 2004 | PN changed from 2nd & 4th | Kate Crennell via e-mail |
| 1 Apr 2004 | PN added | info on website via www |
| 24 Mar 2004 | URL recently notified incorrect - modified | Carl Inglis; Kate Crennell via e-mail |
| 19 Mar 2004 | URL added | Kate Crennell via e-mail |