All changes to tower
| Date | Change | Source |
|---|---|---|
| 12 Dec 2018 | PN amended (was Mon) | Jack Hanlon via e-mail |
| 25 Mar 2018 | Indication of toilet facility added | Chris Mansfield via e-mail |
| 8 May 2009 | 1-6: nominal, diam, canon info added; 1-5: wt added | Andrew Higson via 00007425 |
| 7 Apr 2008 | PN is Mon (not Thu) | Kris King via e-mail |