From to [ Shift -1 day | Shift +1 day ] Zoom menu

Plot and as with

Comments (see all | edit)

10 Apr 2020 [10:12]
checking the pendulum-case heater - it's hot. But it dislodged and now needs resoldering. Removed for repair, but in so doing I knocked pendulum in the process.
10 Apr 2020 [10:10]
shift regulation weights 40mm southwards to see if I can fix pendulum amplitude drops - maybe it's hitting something.
10 Apr 2020 [09:55]
ADJUST: +500ms/day to 16000. Winding (nb solo owing to COVID19)

Download data

Interval between data points: seconds [either 3 seconds (weather data is duplicated) or multiples of 60 seconds (all data is averaged)].

[Raw data: Clock | Weather]

Contact:, Trinity College, Cambridge