The theory and construction of Hadley's quadrant demonstrated: and also all the necesary directions given for adjusting the glasses, and using it for taking the altitude of the sun, moon, and stars, for finding the latitude at sea ...

The theory and construction of Hadley's quadrant demonstrated: and also all the necesary directions given for adjusting the glasses, and using it for taking the altitude of the sun, moon, and stars, for finding the latitude at sea ...

by Gabriel Wright

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