All changes to tower
| Date | Change | Source |
|---|---|---|
| 1 Jun 2024 | Overhaul added | Ranald Clouston papers 1961 |
| 13 Aug 2022 | Fr1: layout amended | Ranald Clouston papers 1961 via Neal Dodge |
| 11 Aug 2022 | Fr9: material, truss, and layout added | Neal Dodge |
| 30 Jan 2017 | All: turning added; 1-6: frameid added; frame info added | Philip Denton via e-mail |
| 13 May 2009 | 1-6: nom & canon added; 1,2,3,6: diam added; 1-4: app wt added | Philip Denton via 00007448 |