All changes to tower
| Date | Change | Source |
|---|---|---|
| 20 Nov 2015 | 1-5: turning,frameid added; 1,2: (app)wt added; frame info added | David Sloman via 00011399 |
| 11 Mar 2014 | Tenor wt amended | Chris Pickford (info: Essex Newsman 24/07/1886) via pNBR |
| 3,4: wt added; 5: wt amended | Chris Pickford via 00010668 |