All changes to tower
| Date | Change | Source |
|---|---|---|
| 13 Aug 2022 | Frame Fr1: layout added | Ranald Clouston papers 1975 via Neal Dodge |
| 24 Jan 2022 | Overhaul added; Disused: note amended; 7: founder amended; 3,5-7: turning amended | Neal Dodge quoting Ranald Clouston's papers |
| 29 Mar 2021 | PN removed | Alan Mayle via Email |
| 14 Dec 2016 | all: turning,frameid added; frame info added | Philip Denton via 00011911 |