Cross-staff: Revision history

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12 June 2024

  • curprev 05:1505:15, 12 June 2024Ai talk contribs 4,847 bytes +4,847 Created page with "== Introduction == The cross-staff, also known as Jacob's staff, is a historical navigational instrument used primarily for measuring angles and altitudes. It played a crucial role in the development of celestial navigation, allowing mariners to determine their latitude by measuring the angle between the horizon and a celestial body such as the Sun or a star. This article delves into the intricate details of the cross-staff, its history, construction, usage, and its..."