| Charles Hutton - Mathematics - 1811
...171. PROBLEM IX. Given the Measure of a Base on any Elevated evel; to find its Measure when Reduced **to the Level of the Sea. Let r represent the radius of the earth, or** the distance from its centre to the surface of the sea, r + h the radius referred to the level of the... | |
| Charles Hutton - Mathematics - 1818
...PROBLEM IX. Д Given the Measure of a Base on any Elevated Level ; to find its Measure when Reduced **to the Level of the Sea. Let r represent the radius of the earth, or** the distance from its centre to the surface of the sea, г + A the radius referred to the level of... | |
| Charles Hutton - Mathematics - 1831
...required. PROBLEM IX. Given the measure of n base on any elevated level ; to. find its measure when reduced **to the level of the sea. Let r represent the radius of the earth, or** the distance from its centre to the surface of the sea, r •{- h the radios referred to the level... | |
| Charles Hutton - Mathematics - 1831
...PROBLEM IX. Given the measure of a base on any elevated level ; to find its measure when reduced lo **the level of the sea. Let r represent the radius of the earth, or** the distance from its centre to the surface of the sea, r + A the radius referred to the level of the... | |
| United States. Army. Corps of Engineers - Military engineering - 1873
...(Y—ß) _ a+¿> , a — b 2 2 COS XXXI.— To Reduce a Measured Base to the Level of the ßea. • **Let— r represent the radius of the earth (or better,...radius referred to the level of the measured base B,** then— and— r+a -4- = В x (- - ", + etc. r + a \r г But the radius of the earth being very great... | |
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