Thanks Bob-- that was interesting. During the Lomp Prieta earthquake my grandfather clock was bolted to the wall and it stopped.
Regards, Steve Hammond PSN Apttos, CA

-----Original Message-----
From:	Doug Crice [SMTP:dcrice@.............
Sent:	Wednesday, January 30, 2002 7:20 AM
To:	psn-l@..............
Subject:	Re: Earthquakes and pendulum clocks

In the 1989 Loma Prieta earthquake, my pendulum clock fell over on its
face and the weights went the glass, so I guess you could say the
earthquake stopped it. It's now screwed to the wall, but the mechanism
is still flakey.

Doug

BOB BARNS wrote:
> 
> Hi gang,
>   There is an interesting story about earthquakes and pendulum clocks
> at:
> 
>   http://www.bmumford.com/mset/tech/quake/
>
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