All changes to tower
| Date | Change | Source |
|---|---|---|
| 7 Oct 2024 | Fr1, Fr2 added | Jack Pease from the Christopher Dalton papers |
| 14 Aug 2024 | New project added | Matthew Higby |
| 5 May 2006 | Taylor precise wt not 18-0-21; nominal added (E+28c) | Andrew Higson via e-mail |
| 25 Jan 2004 | URL changed | Gary J Sheppard: SDGR webmaster via e-mail |
| 8 Jan 2004 | URL added | Gary J Sheppard: SDGR webmaster via e-mail |