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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: How Many Chronometers?
From: James N Wilson
Date: 2009 May 6, 14:24 -0700
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From: James N Wilson
Date: 2009 May 6, 14:24 -0700
Brad:
Bowditch defines a chronometer as a timepiece with a nearly constant
rate. John Harrison used jewels instead of lubricant, and bimetals to
compensate for temperature change. Surely, we must have improved technology
since his day.
Jim Wilson
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