L212mm, max diam 70mm

---

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

Keywords: -magnetic, air, alloy, art, color, colour, copper, device, education, educational, glass, heritage, institution, instrument, instruments-navigational, metal, museum, nasm, national, navigation, navigational, object, paint, scientific, smithsonian, space, technology, unknown, wax, white