All changes to tower
| Date | Change | Source |
|---|---|---|
| 29 Aug 2017 | 1-8: frameid added; frame info added | David Sloman via e-mail |
| 30 Apr 2009 | Tenor note is not G; nominal: F#+23c | Andrew Higson via pNBR |
| 1-8: nominal,canon info added; 1,2: wt amended; 8: diam amended | Andrew Higson via 00007391 | |
| 3-8: founder amended from Thomas II Mears (too early) | John Baldwin via database |