All changes to tower
| Date | Change | Source |
|---|---|---|
| 1 Dec 2015 | Flag added indicating 1,5 are cracked | TimJ via e-mail |
| 30 Nov 2015 | Ring is anticlockwise | David Sloman via e-mail |
| fr: date amended,historically important | David Sloman via e-mail | |
| 29 Nov 2015 | all: turning,frameid added; 1-4: wt,nominal added; 1,5: cracked; | David Sloman via 00011409 |
| frame info added | David Sloman via 00011409 |