All changes to tower
| Date | Change | Source |
|---|---|---|
| 25 Aug 2019 | 1-8: nominal added | Nigel Taylor via 00013600 |
| frame: truss,layout added | Tim Jackson via e-mail | |
| 21 Aug 2019 | URL amended | TimJ via e-mail |
| 1-8: turning added; frame: material amended | Tim Jackson via 00013571 | |
| 6 Apr 2014 | URL added | TimJ#198 via e-mail |
| 27 Mar 2014 | Page not found: www.kzoo.edu/ringers/index.htm | Xenu check via URLbad |
| 11 Oct 2010 | 1-8: frameid added; frame info added | John Baldwin via database |
| 10 Oct 2010 | URL added | Anne Sladen via e-mail |
| 19 May 2005 | URL removed: www.albion.edu/fac/math/ram/kcgcr/ | page not found via JCB |