All changes to tower
| Date | Change | Source |
|---|---|---|
| 3 May 2016 | 1-6: turning added | John Baldwin via database |
| 9 Jan 2015 | 1-6: frame id added; frame info added | Jack Hunt via e-mail |
| 7 Dec 2014 | 1-6: nominal added; 6: diam amended | Tim Jackson via 00011007 |
| 28 Sep 2004 | Slight change to dedication to match Crockford entry | Graham Nabb check via e-mail |