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25 Mar 2013 [19:18]
ADJUST: +1000 ms/day to 35400 after the restart and knocking the pendulum about
25 Mar 2013 [19:15]
With the help of Chris Nickolaus (who did the winding) we installed a fan to even out the temperature in the pendulum chute. Thanks to Mark Rainer for making up the fan (using an old vacuum cleaner tube). Air blowing upwards (sucking warm air up)Let us see if it makes a diference!

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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)].

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Contact:, Trinity College, Cambridge