All changes to tower
| Date | Change | Source |
|---|---|---|
| 2 Jun 2023 | PN amended; Toilet added | John Hall via #005103 |
| 6 Aug 2016 | all: frameid added; 1-6,Clk: turning added; Clk: wt,note added; | Philip Denton via 00011725 |
| 5,clk: welded; frame info added | Philip Denton via 00011725 | |
| 14 Jan 2010 | 5: historically important ('listed' by CBC) | David Knight via e-mail |
| 16 Aug 2009 | PN changed from alt Mon to Thu weekly | John Hall via e-mail |
| 22 Oct 2006 | Tenor nominal added (F#-47c) | Andrew Higson via pNBR |
| 27 Sep 2003 | Indication that practice alternates with Helions Bumpstead | John Hall 14 Oct 2000 via e-mail |