THE TRINITY CLOCK

 

 
 

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11 Apr 2021 [19:05]
removed 12 kg from the lantern-wheel bearing
11 Apr 2021 [18:50]
This suggests that perhaps only 2kg would cause the observed 0.008mrad variation.
11 Apr 2021 [18:48]
suspended 12 kg from the lantern-wheel bearing as a test on what force is required to shift the tilt measurement. Caused a change in tilt of about 0.05mrad in the expected direction (leaning towards St Johns) [link]

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Contact: clockkeeper@trin.cam.ac.uk, Trinity College, Cambridge