- 30 Dec 2017 [23:20]
- ADJUST: +1015ms/day to 32200 to account for the raising of the prism on the pendulum - and a top-up wind
- 30 Dec 2017 [22:02]
- winding with Mark Irving and John Aldridge.
- 30 Dec 2017 [20:32]
- Replaced twist laser unit with a sleeker version, and stopped pndulum to raise the prism into line with the new laser - does it work?