All changes to tower
| Date | Change | Source |
|---|---|---|
| 13 Aug 2022 | Fr1: layout amended | Ranald Clouston papers 1961 via Neal Dodge |
| 21 Mar 2022 | URL amended | Error detected during Xenu Link Sleuth checks. Alternative URL determined by TCJ via Tim Jackson |
| 24 Nov 2021 | Clock: turning amended | Neal Dodge, taken from the Ranald Clouston papers |
| 20 Nov 2021 | 1778, 1782, 1809 overhauls added; tuning added | Neal Dodge quoting contemporary newspaper cutting |
| 6 Nov 2021 | 1906 overhaul added | Neal Dodge, quoting Bell News report |
| 21 Dec 2016 | all: turning added; clk: frameid added; | Philip Denton via 00011925 |
| frame: material amended,truss,layout added | Philip Denton via 00011925 | |
| 20 Sep 2016 | 1-6: frameid added; frame info added | David Sloman via e-mail |
| 7 Sep 2008 | Anticlockwise added | Tim Jackson#140 via e-mail |