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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Making an artificial horizon
From: James N Wilson
Date: 2011 Jan 20, 15:24 -0800
From: James N Wilson
Date: 2011 Jan 20, 15:24 -0800
All this talk about mercury reminds me that the one hundred inch Mount Wilson telescope is floated in mercury to minimize bearing loads. There's not much of it, since a thin layer is all that's required. I thought the idea ingenious. Jim Wilson ____________________________________________________________ Obama Urges Homeowners to Refinance If you owe under $729k you probably qualify for Obama's Refi Program
