All changes to tower
| Date | Change | Source |
|---|---|---|
| 27 Dec 2020 | Sanctus: canons amended. | Matthew Higby via Facebook |
| 20 Jun 2020 | 1-8: turning,nominal added; Sct: turning added | Nigel Taylor via 00013850 |
| 16 Apr 2020 | Sct: nominal added | Nick Bowden via 00013686 |
| 13 Aug 2011 | all: frameid added; frame info added | Philip Denton via 00009569 |