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" ... central meridian of the area to be projected. The distances along this central meridian between consecutive parallels are made equal (on the scale of the map) to the real distances along the surface of the spheroid. The circles in which the parallels... "
Formulas and Tables to Facilitate the Construction and Use of Maps - Page 13
de Robert Simpson Woodward - 1889 - 124 pages
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Bulletin - United States Geological Survey, Numéros 47 à 54

Geological Survey (U.S.) - 1889
...lie on the central meridian. The meridians are concave toward the central meridian, and, except near corners of maps showing large areas, they cross the parallels at angles ;ring little from right angles. a the practical work of map making, the meridians and parallels are...
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Smithsonian Miscellaneous Collections, Volume 35

Smithsonian Institution - 1897 - 280 pages
...the spheroid. The circles in which the parallels are developed are not concentric, but their centres all lie on the central meridian. The meridians are...of map making, the meridians and parallels are most advantageously defined by the co-ordinates of their points of intersection. These coordinates may be...
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Smithsonian Geographical Tables

Smithsonian Institution - 1897 - 182 pages
...the spheroid. The circles in which the parallels are developed are not concentric, but their centres all lie on the central meridian. The meridians are...parallels at angles differing little from right angles. _. _ In the practical work of map making, the meridians and parallels are most advantageously defined...
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