backstaff in a sentence
n.
Definition
Backstaff: a navigational instrument used in the past to measure the angle of the sun above the horizon for determining latitude at sea.
Sample Sentences
- The backstaff was an essential tool for navigators during the age of exploration.
- In the museum, we saw a beautifully restored backstaff from the 18th century.
- Sailors relied on the backstaff to measure the angle of the sun above the horizon.
- The invention of the backstaff improved the accuracy of sea navigation significantly.
- He demonstrated how to use the backstaff to determine latitude at sea.
- Backstaffs were a precursor to more advanced navigational instruments like the sextant.
- Many historical accounts describe the difficulties sailors faced before the backstaff was invented.
- The backstaff's design allows for a more straightforward reading of celestial bodies.
- Even with the backstaff, navigating through storms remained a perilous task.
- Understanding how to use a backstaff is crucial for students of maritime history.
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