All changes to tower
| Date | Change | Source |
|---|---|---|
| 6 Aug 2023 | Fr1: Truss and layout added | Neal Dodge |
| 8 May 2017 | 1,2: canon info amended; 1-5: frameid added; frame info added | David Sloman via 00012135 |
| 5: canon info added; 1-4: (app)wt added | John Baldwin via database | |
| 10 Oct 2004 | Slight dedication change to match Crockford | Graham Nabb check via e-mail |