All changes to tower
| Date | Change | Source |
|---|---|---|
| 11 Jun 2026 | 1-5: nominal added | Analysed by Nick Bowden from YouTube clip cited by Benjamin Vallejo: https://youtu.be/M_g4cFZF9Yc?si=sVJOtP-PFmXjn-P- |
| 13 Apr 2026 | Hanging history added; 1-6: weight, hanging added. | CB Oxon, Sharpe |
| 24 Apr 2025 | 6: nominal added | Nick Bowden analysis of sound clip taken from ODG Oxford City Branch website: http://city.odg.org.uk/towers/northgate |
| 9 Apr 2025 | ODG Oxford City Branch URL added | Geraint Jones, ODG Oxford City Branch acting Web Master |