All changes to tower
| Date | Change | Source |
|---|---|---|
| 22 Sep 2022 | Frame Fr1: truss added; Frame Fr9 added | Bill Hibbert, local contact |
| 11 Jan 2020 | 1-10: turning added | Tim Jackson via e-mail |
| 31 Aug 2013 | 1-10: frameid added; frame info added | John Baldwin via database |
| 25 May 2010 | URL modified | Carolina Goodship via e-mail |
| 4 Feb 2007 | URL added | Richard Wallis via e-mail |
| 8 Nov 2004 | Tenor nominal added | Bill Hibbert via e-mail |