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Old 14th May 2019, 01:44
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ljdramone
 
Join Date: Sep 2011
Location: Baltimore, Maryland, USA
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The A-12 bubble sextant is simpler than the A-10, and they're available in restored condition on eBay for $450 instead of $800.

Search for "a-12 bubble sextant".

Be prepared to read Ha off a pretty small vernier scale though (a magnifier helps.)
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