Octant
The Octant measures up to 90 degrees. Most Octants were made of wood (ebony) with an inlaid ivory scale and vernier scale for fine reading. Some octants in my collection are however newer and are made from plastic.
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The Octant measures up to 90 degrees. Most Octants were made of wood (ebony) with an inlaid ivory scale and vernier scale for fine reading. Some octants in my collection are however newer and are made from plastic.
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