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McMillan sextant
From: Bill Lionheart
Date: 2017 Feb 1, 12:04 +0000
From: Bill Lionheart
Date: 2017 Feb 1, 12:04 +0000
A colleague has an old sextant and an octant in his office ...inherited from an ancestor. I am giving a talk on the symmedian point to school kids (potential maths students) tomorrow and was going to show them the sextant.
Any idea how old this kind of 'pre drum' sextant would be?
Bill Lionheart.
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