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17 Feb 2018 [12:15]
replaced vellum screen on the laser twist sensor with a white polythene film. Thanks to John Aldridge for his help.
17 Feb 2018 [10:35]
noticed that two 200ms/day weights had fallen off the regulation platform. They were reinstated.
17 Feb 2018 [10:07]
Winding by Kelly Wing, Chloe Caron, Robert Spencer

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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]

Contact:, Trinity College, Cambridge