CC0 · no rights reserved
Octant
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
Octant with an ebony frame, reinforced brass index arm with vernier and tangent screw, and ivory name plate. The graduated scale is missing.
National Museum of American History’s own descriptionSubjects
Credit lineOctant. National Museum of American History, Dr. and Mrs. Arthur Greenwood. CC0.
