All changes to tower
| Date | Change | Source |
|---|---|---|
| 12 Jan 2022 | 1: weight amended; 1,3-4: diameter amended | Smith BB&B via James Hedgcock |
| 24 Jan 2020 | Tuning description is only approximate | TimJ (#261) via e-mail |
| 31 Dec 2019 | 1-4: nominal added | Bill Hibbert via e-mail |
| 4 Oct 2019 | Tuning description added | TimJ via e-mail |
| 1: note amended; 2,4: canon info added; 2-4: turning added | Tim Jackson via e-mail | |
| 23 Aug 2019 | 1-4: frameid added; 1: turning added; frame Fr1 added | John Baldwin via database |
| 30 Dec 2006 | Tenor exact wt supplied (7-0-0) rather than approx 8cwt | Peter Davies (info ex CJP from Taylor 1839 records) via pNBR |
| 10 Sep 2003 | Note, GF, and u/r added | Tim Jackson#49 via e-mail |