![A Cardan or marine compass is pictured at the Fort of Colonial Mobile, Nov. 6, 2021, in Mobile, Alabama Stock Photo - Alamy A Cardan or marine compass is pictured at the Fort of Colonial Mobile, Nov. 6, 2021, in Mobile, Alabama Stock Photo - Alamy](https://l450v.alamy.com/450v/2h5cr4r/a-cardan-or-marine-compass-is-pictured-at-the-fort-of-colonial-mobile-nov-6-2021-in-mobile-alabama-2h5cr4r.jpg)
A Cardan or marine compass is pictured at the Fort of Colonial Mobile, Nov. 6, 2021, in Mobile, Alabama Stock Photo - Alamy
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![A Cardan or marine compass is pictured at the Fort of Colonial Mobile, Nov. 6, 2021, in Mobile, Alabama Stock Photo - Alamy A Cardan or marine compass is pictured at the Fort of Colonial Mobile, Nov. 6, 2021, in Mobile, Alabama Stock Photo - Alamy](https://l450v.alamy.com/450v/2h5cr6b/a-cardan-or-marine-compass-is-pictured-at-the-fort-of-colonial-mobile-nov-6-2021-in-mobile-alabama-2h5cr6b.jpg)
A Cardan or marine compass is pictured at the Fort of Colonial Mobile, Nov. 6, 2021, in Mobile, Alabama Stock Photo - Alamy
![A Cardan or marine compass is pictured at the Fort of Colonial Mobile, Nov. 6, 2021, in Mobile, Alabama Stock Photo - Alamy A Cardan or marine compass is pictured at the Fort of Colonial Mobile, Nov. 6, 2021, in Mobile, Alabama Stock Photo - Alamy](https://c8.alamy.com/comp/2H591X3/a-cardan-or-marine-compass-is-pictured-at-the-fort-of-colonial-mobile-nov-6-2021-in-mobile-alabama-2H591X3.jpg)
A Cardan or marine compass is pictured at the Fort of Colonial Mobile, Nov. 6, 2021, in Mobile, Alabama Stock Photo - Alamy
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