6-1/2in. high, 4-1/4in. wide, 3-1/2in. deep; eliptical face; black;

---

Size: 3648px × 3648px
Photo credit: © Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -magnetic, air, alloy, art, color, colour, company, compass, copper, device, education, educational, foam, heritage, institution, instrument, instruments-navigational, liquid, metal, museum, nasm, national, navigation, navigational, object, paint, scientific, smithsonian, space, star, technology, unknown