Octant
National Museum of American History

Octant

Unknown artist

brass (overall material)
National Museum of American History
CC0 — Public Domain
National Museum of American History

Octant with an ebony frame, reinforced brass index arm with vernier and tangent screw, and ivory name plate. The graduated scale is missing.

🔒
Order museum-quality prints

Sign in to order prints, canvas, and more of this work. Browsing and full-resolution downloads stay free.