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Re: Time Ball
From: Gary LaPook
Date: 2012 Sep 29, 22:28 -0700

Note that the guy doing the explaining twice said that the time was based on Sidney's "latitude" when he should have said "longitude."

gl

--- On Sat, 9/29/12, Greg Rudzinski <gregrudzinski@yahoo.com> wrote:

From: Greg Rudzinski <gregrudzinski@yahoo.com>
Subject: [NavList] Time Ball
To: NavList@fer3.com
Date: Saturday, September 29, 2012, 8:17 PM

See this YouTube video showing the historical Sydney Harbor time ball used for setting marine chronometers since 1858.
http://www.youtube.com/watch?v=PMH4J9AtbXU&feature=related
I'm not so sure being one second off in time would be enough error to endanger a vessel as the astronomer implies.

Greg Rudzinski
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