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Quadrant to find geographical situations in the sea and land by astronomical means to measure horizontal angles in coastal navigation and for topography work. (Machine-translation by Google Translate, not legally binding)
Quadrant to find geographical situations in the sea and land by astronomical means to measure horizontal angles in coastal navigation and for topography work. (Machine-translation by Google Translate, not legally binding)
Quadrant to find geographical situations in the sea and land by astronomical means to measure horizontal angles in coastal navigation and for topography works characterized by being constituted by a quarter circle arch joined at one end to a surface base perpendicular to the plane of said arc on the contrary to a radius which in turn is in solidarity with said base at its opposite end having a radius rotated on its axis and provided with a clamp covering the arc that acts as a guide in the rotary movement of said radius existing in such an index that indicates a graduation marked in the arc of nonius. (Machine-translation by Google Translate, not legally binding)
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