All changes to tower
| Date | Change | Source |
|---|---|---|
| 22 Dec 2021 | PN amended | Andrew White |
| 11 Jan 2020 | 1-8: turning added | Tim Jackson via e-mail |
| 4 Feb 2018 | frame: maker added | Mike Chester via e-mail |
| 2 Feb 2018 | all: frameid added; Svc: now > dis; frame info added | Mike Chester via 00012736 |
| 6 Jul 2014 | 1-8: nominal added; 1,2,4,5: diam amended | Tim Jackson via 00010797 |
| 15 Nov 2010 | URL removed | JCB via URLbad |