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" Solar Day is the interval of time between two successive transits of the sun over the same meridian ; and the hour angle of the sun is called Solar Time. This is the most natural and direct measure of time. But the intervals between the successive returns... "
An Elementary Treatise on Plane & Spherical Trigonometry: With Their ... - Page 297
by Benjamin Peirce - 1845 - 449 pages
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An Elementary Treatise on Plane & Spherical Trigonometry: With Their ...

Benjamin Peirce - Plane trigonometry - 1845 - 498 pages
...and is altogether insensible. 87. Corollary. The difference between the sideral time of différent places is exactly equal to the difference of the longitude...this motion. 89. The want of uniformity in the sun's tnotion in right ascension arises from two different causes. I. The sun does not move in the equator,...
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The American Ephemeris and Nautical Almanac

United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1852 - 576 pages
...distance from the meridian, js called Solar Time. This is the most natural and direct measure of time. But the intervals between the successive returns of the sun to the meridian are not exactly equal, The want of uniformity in the sun's motion in right ascension arises from two different causes ; one,...
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Surveyor's and Engineer's Companion: a Comcise Treatise on Mathematical ...

William Schmolz - 1859 - 196 pages
...hour angle of the sun is called Solar Time, This is the most natural and direct measure of time. But the intervals between the successive returns of the...the variable motion of the sun in right ascension. The want of uniformity in the sun-s motion in right ascension arises from two different canses; one,...
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The American Ephemeris and Nautical Almanac

United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1860 - 562 pages
...hour angle of the sun is called Solar Time. This is the most natural and direct measure of time. But the intervals between the successive returns of the...the variable> motion of the sun in right ascension. - The want of uniformity in the sun's motion in right ascension arises from two different causes ;...
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The American Ephemeris and Nautical Almanac

United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1865 - 572 pages
...hour angle of the sun is called Solar Time. This is the most natural and direct measure of time. But the intervals between the successive returns of the sun to the meridian arc not exactly equal, but depend upon the variable motion of the sun in right ascension. The want...
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Astronomy Without a Telescope: Being a Guide-book to the Visible Heavens ...

Astronomy - 1869 - 104 pages
...minute hand of a clock passes round the dial thirteen times in passing the hour hand twelve times. The intervals between the successive returns of the Sun to the meridian of any place average twenty-four hours ; but these intervals are not all exactly equal. The Sun is...
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The American Ephemeris and Nautical Almanac

United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1872 - 548 pages
...hour angle of the sun is called Solar Time. This is the most natural and direct measure of time. But the intervals between the successive returns of the sun to the meridian are oot exactly equal, but depend upon the variable motion of the sun in right ascension. The want of uniformity...
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The American Ephemeris and Nautical Almanac

United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1872 - 552 pages
...direct measure of time. But the intervale between the successive returns of the sun to the meridian aro not exactly equal, but depend upon the variable motion of the sun in right ascension. The want of uniformity in the sun's motion in right ascension arises from two different causes; one,...
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