All changes to tower
| Date | Change | Source |
|---|---|---|
| 10 Jun 2017 | fr1: truss,layout added | Philip Denton via e-mail |
| 5 May 2011 | 1-5: canons, turning; frame id added; 1-4 (app) wt added | Philip Denton via 00009307 |
| 1,2: diam added; frame info added | Philip Denton via 00009307 |