[time-nuts] Time and tide - pendulum clocks and gravity tides

[Bob kb8tq]

Hi

Isn’t there a picture of TVB doing something to that clock? :)

Bob

> On Oct 19, 2020, at 5:30 PM, Hal Murray <hmurray at megapathdsl.net> wrote:
> 
> Speaking of pendulums...
> 
> BBC: The Clock That Changed the World (BBC History of the World)
>  https://www.youtube.com/watch?v=T-g27KS0yiY
> 29 minutes
> 
> Fantastic pictures of of two of Harrison's early pendulum clocks.
> One has been running for 300 years - no lubrication.
> 
> 
> -- 
> These are my opinions.  I hate spam.
> 
> 
> 
> 
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