All changes to tower
| Date | Change | Source |
|---|---|---|
| 1 Jan 2019 | frame: truss amended | Philip Denton via e-mail |
| 30 Nov 2018 | clk: (app)wt added,frameid deleted | Philip Denton via e-mail |
| 29 Nov 2018 | 1-6,clk: frameid added; 6: date amended; frame info added | Philip Denton via 00013188 |
| 4 Dec 2003 | Minor grid ref correction (from ...587) | OS map via JCB |