All changes to tower
| Date | Change | Source |
|---|---|---|
| 20 Jun 2017 | frame info added | David Sloman via e-mail |
| 19 May 2010 | Tenor precise weight available: 7-3-3 (rather than ~8cwt) | Alan Hughes, WBF via e-mail |
| 1-6: wt, turning, frameid added; 3,4: diam amended | John Baldwin via 00008646 | |
| 7 Dec 2006 | Tenor note not A; nominal added (Ab+20c) | WofA via Peter Davies via pNBR |
| 12 Sep 2005 | PN is not Fri | Selina Harris via e-mail |