All changes to tower
| Date | Change | Source |
|---|---|---|
| 31 Aug 2017 | 1-5: canon info added; 1-4:diam,wt added; 5: diam amended | Nigel Taylor via 00012369 |
| 31 Aug 2011 | Rung from porch | F#, Rads, p44, P Denton via JCB |
| all: nominal added; Dis: renamed Svc | Philip Denton via 00009653 | |
| 1-5: frame id added; frame info added | John Baldwin via database |