 | | An antique ebony octant with ivory scale and brass index arm; image credit on full record. |
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Instrument; Octant, Ebony, Brass Arm, Ivory Scale, Keyhole Case.
An Ebony Octant, 19th century, with ivory scale calibrated 0-90, brass index arm, locking thumbscrew, and ivory vernier reading 0-20, sighting pinnula... [more detail available via subscription]
p4A Item F7996668
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Category: |
nautical |
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Origin: |
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Type: |
navigation instruments |
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Year: |
1801 - 1900 |
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