All changes to tower
| Date | Change | Source |
|---|---|---|
| 3 Jul 2022 | Fr1: maker added, diagonal | C J Pickford |
| 9 Nov 2016 | 1-5: frameid added; frame info added | John Baldwin via database |
| 25 Jun 2009 | 1-5: nominal & canon info added | Andrew Higson via 00007630 |
| Date | Change | Source |
|---|---|---|
| 3 Jul 2022 | Fr1: maker added, diagonal | C J Pickford |
| 9 Nov 2016 | 1-5: frameid added; frame info added | John Baldwin via database |
| 25 Jun 2009 | 1-5: nominal & canon info added | Andrew Higson via 00007630 |