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Plot and , as , with .

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06 Oct 2015 [11:00]
top-up wind. Also installed a plumb bob to look for tower lean due to sunshine on south wall. Will have to wait for next summer.
06 Oct 2015 [11:00]
GCR 47.4 on top layer. Note that the Strikes do 20 strikes per revolution and 156 strikes per day - that is 7.8 turns per day. There are 19 turns on the top layer so the clock should be wound at least 2.4 days before the Run. Thursday at noon is a good time.
06 Oct 2015 [11:00]
The clock is 3s fast but I'm in the middle of an experiment to see how the clock runs without the barometric compenasator. Hence the correction by -3 seconds

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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]

Trinity College, Cambridge 2014