Multimedia Gallery
- Innovations: Chronometer
One of the most common navigation watches produced, with many used by the U.S. military well into the Cold War era.
This scrap of paper was found in the Tingmissartoq’s octant case.
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The Lindbergh Hour Angle Watch eliminated a simple but troublesome calculation in celestial computations.
These watches were often more popular for their use as fashion accessories than their practical application as navigational tools.
Chronometers like this one by Arnold & Dent were used on the U.S. Exploring Expedition (1838-1842).
Chronometers like this one by Charles Frodsham were used on the U.S. Exploring Expedition (1838-1842).
Chronometers like this one by Molyneaux & Son were used on the U.S. Exploring Expedition (1838-1842).
Chronometers like this one by Parkinson & Frodsham were used on the U.S. Exploring Expedition (1838-1842).
Tradition says this was the first American-made marine timekeeper taken to sea.