Pocket Compass Smithsonian Institution

Pocket compasses 1

The GRiD Compass Flew as One of NASA's First Notebook Computers

Pocket Compass (prismatic)

Pocket compasses 1

National Museum of American History

Pocket compasses 1

Beat to Quarters — This pocket compass and clinometer was specially

MBMG - Lewis and Clark in Montana

Lewis and Clark Expedition Pocket Compass

Pocket compasses 1

Aurapole pocket compass, Objects