All changes to tower
Date | Change | Source |
---|---|---|
14 Aug 2020 | fr1,fr2: truss added; fr1: layout added; fr2: layout amended | Tim Jackson via e-mail |
10 Nov 2014 | 1-8: frameid added; fr1, fr2: added | John Baldwin via database |
21 Nov 2005 | Tenor nominal added (G+15c) | George Dawson Southwell spreadsheet via JCB |