All changes to tower
| Date | Change | Source |
|---|---|---|
| 11 Feb 2010 | 1,3: founder amended (from George to Godfrey as per GAD ER Yks) | John Baldwin via database |
| 7 Feb 2010 | Frame: layout added | John Arthur via e-mail |
| 16 Aug 2009 | Additional tower | Tim Jackson #155 via e-mail |
| All: details added | John Baldwin via database |