Bring 22 d. of Capricorn to the Meridian, and fet the Hour Index to 1 2. Then turn the Globe about till Aldebaran be under the Meridian, and then you (hall find the Index to point at 42 m. Nine Geometricall Exercises: For Young Sea-men, and Others that are Studious ... - Página 225 por William Leybourn - 1704 - 192 páginas Vista completa -
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