All changes to tower
| Date | Change | Source |
|---|---|---|
| 5 May 2024 | 1958 overhaul description added; 8: turning added | Tim Jackson from personal visit. Details taken from M&S board in the tower. See also CB Glos, Bliss and Sharpe |
| 12 Jun 2022 | Fr1: material amended, Fr1: truss, layout added | Malcolm Taylor |
| 19 Aug 2016 | 1-8: diam added | David Sloman via 00011737 |