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Re: Temperature range of bubble sextants?
From: Tony Oz
Date: 2017 Jan 17, 07:46 -0800

Dear David,

Do you have the "Precision Astrolabe" PDF in full? I'm interested in the "automatic averaging of sights" (Chapter 12) also. Francis M Rogers must have written very interesting book indeed!

Thank you in advance.

Regards,

Tony

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