I just posted the third video for my table.
Great fun that video was!!
Love that Ball Drop with the Bell, would be a fun toy for New Years Eve 
What a brilliant idea Nick.
The only problem is that I am usually asleep (in my recliner) before midnight on New Years Eve. 🤠
We celebrate at 11pm and watch the ball drop in NY on tv at their midnight because everyone is struggling to stay awake 😂
Walter had previously identified the Hour Ball:
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Hour Balls were used in ports and dropped at specific times so that Mariners could set their chronographs.
There is a fantastic book that
@parallelmotion recommended to me about the history of the chronograph.
“Longitude” by Dava Sobel.