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16 Jan 2023 [16:40]
realigned laser to lower spot on the screen for twist measurement. Not perfect - maybe we need to shift the prism upwards a bit - do that when next we stop the clock.

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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]

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