 ... sphere) the degrees of latitude remain the same, the degrees of longitude become less and less. In the chart, on Mercator's projection, the degrees of longitude are made everywhere of the same length, and, therefore, to preserve the proportion that...  Glossary of navigation - Page 250by John Bradley Harbord - 1883 - 421 pagesFull view - About this book
 | Naval art and science - 1880 - 1122 pages
...where the distance between the parallels is considerably augmented in the higher latitudes — in order to preserve the proportion that exists at different parts of the earth's surface between the meridians and the parallels — ^IG- ^circles of position would be represented as elliptical figures... | |
 | Thomas Liddell Ainsley - 1869 - 450 pages
...degree of latitude, biit as we approach the poles, while (upon the supposition that the earth is a sphere) the degrees of latitude remain the same, the...former must be increased from their natural lengths, moro and more as we recede from the equator. The lengths of small portions of the meridian thus increased,... | |
 | Thomas Liddell Ainsley - Merchant marine - 1875 - 416 pages
...degree of latitude ; but as we approach the poles, while (upon the supposition that the earth is a sphere) the degrees of latitude remain the same, the...therefore, to preserve the proportion that exists at every part of the earth's surface between the degrees of latitude and the degrees of longitude, the... | |
 | Thomas Liddell Ainsley - 1880 - 482 pages
...degree of latitude ; but as we approach the poles, while (upon the supposition that the earth is a sphere) the degrees of latitude remain the same, the...therefore, to preserve the proportion that exists at every part of the earth's surface between the degrees of latitude and the degrees of longitude, the... | |
 | Nathaniel Bowditch - Nautical astronomy - 1888 - 704 pages
...sphere) the degrees of latitude remain the same, the degrees of longitude become less and less. In Mercator's projection the degrees of longitude are...the earth's surface between the degrees of latitude anil longitude, the former must be increased from their natural lengths more and more as we recede... | |
 | Nathaniel Bowditch - Nautical astronomy - 1906 - 670 pages
...degrees of longitude are made to appear everywhere of the same length, it becomes necessary, in order to preserve the proportion that exists at different parts of the earth's surface between degrees of latitude and degrees of longitude, that the former he increased from their natural lengths,... | |
 | A. P. W. Williamson - Nautical astronomy - 1909 - 410 pages
...due to a small error in latitude vanishes when the object is on the prime vertical. Meridional Parts. At the equator a degree of longitude is equal to a...projection the degrees of longitude are made everywhere of dz = <JO" Lat. = 30° Log 1 '954242 Sec 0'062469 24)16711 dli =120" Log 24)79181 z = s. 60° E. or... | |
 | John William Norie, J. W. Saul - Nautical astronomy - 1917 - 642 pages
...where the distance between the parallels is considerably augmented in the higher latitudes — in order to preserve the proportion that exists at different parts of the earth's surface between the meridians and the parallels — circles of position would be represented as elliptical figures (Fig.... | |
 | Charles Hurst Cugle - Navigation - 1926 - 396 pages
...degrees of longitude are made to appear everywhere of the same length, it becomes necessary, in order to preserve the proportion that exists at different parts of the earth's surface between degrees of latitude and degrees of longitude, that the former be increased from their natural lengths,... | |
 | Nathaniel Bowditch - Nautical astronomy - 1931 - 866 pages
...degrees of longitude are made to appear everywhere of the same length, it becomes necessary, in order to preserve the proportion that exists at different parts of the earth's surface between degrees of latitude and degrees of longitude, that the former be increased from their natural lengths,... | |
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