All changes to tower
| Date | Change | Source |
|---|---|---|
| 10 Apr 2016 | 1-3: frameid added; frame info added | Philip Denton via e-mail |
| 9 Nov 2008 | Precise tenor wt provided (rather than 5.25cwt) | Richard Offen (CJP info) via pNBR |
| 28 Feb 2007 | Absence of stays and sliders noted | Info from John Cater via Tim Jackson#107 via e-mail |