7 1/2 in. Ebony Octant by J. Sewill
- Sold for:
- Clocks, Watches & Scientific Instruments - 2502
- Date / Time :
- May 01, 2010 10:00AM
7 1/2 in. Ebony Octant by J. Sewill, Liverpool, the instrument with bone maker's plaque marked J. Sewill, 61 South Castle Street, Liverpool, inlaid scale calibrated 0-135 with vernier and microscope on a 3 1/4 in. limb, sun and horizon shades, sighting scope attachments and keystone shaped walnut carrying case.
Instrument has had exensive exposure to salt air and brass elements have surface corrosian.