All changes to tower
| Date | Change | Source |
|---|---|---|
| 14 Jul 2020 | Tuning description added | TimJ via e-mail |
| 19 May 2020 | 1-5: frameid added; fr1: details added | Tim Jackson via e-mail |
| 4 Jun 2010 | 1-5: nom'l,diam,turning added; 1: canons amended; 1-4 wt added | Chris Pickford via 00008663 |