| Thomas Liddell Ainsley - 1864
...parallel. A uniform measure of time is obtained by the invention of the Mean Solar Dai/. MEAN SOLAB **DAY is the interval between two successive transits of the mean sun** over the same meridian ; it begins when the mean sun is on the meridian. This fictitious body is conceived... | |
| William Thomas Read - Nautical astronomy - 1869 - 154 pages
...solar day is the interval between two successive transits of the true Sun across the same meridian. 33. **A mean solar day is the interval between two successive transits of the Mean Sun.** 34. A sidereal day is the interval between two successive transits of the 1st point of aries. 35. Equation... | |
| Thomas Liddell Ainsley - 1869
...points they are parallel. A uniform measure of time is obtained by the invention of the Mean Solar Day. **MEAN SOLAR DAY is the interval between two successive transits of the mean** mn over the same meridian ; it begins when the mean sun is on the meridian. This fictitious body is... | |
| Henry Evers - Nautical astronomy - 1873 - 144 pages
...between two successive transits of a celestial body across the same meridian. 48. Mean Solar Day. — **A mean solar day is the interval between two successive transits of the mean sun** over the same meridian. 49. Mean Time is time measured and indicated by the mean sun. It may also be... | |
| Thomas Liddell Ainsley - 1880
...they are parallel. A uniform measure of time is obtained by the invention of the Mean Solar Day. 303. **Mean Solar Day is the interval between two successive transits of the mean sun** over the same meridian ; it begins when the mean sun is on the meridian. This fictitious body is conceived... | |
| Charles Leander Doolittle - Interpolation - 1885 - 658 pages
...intervals of time between each two successive transits over the same branch of the meridian will be equal. **A MEAN SOLAR DAY is the interval between two successive transits of the** second fictitious sun, or the mean sun over the upper branch of the meridian. THE MEAN SOLAU TIME at... | |
| Nathaniel Bowditch - Nautical astronomy - 1888 - 647 pages
...uniform motion in the equinoctial. Art. 21в» Mean time is the hour-angle of the mean sun. A mean **day is the interval between two successive transits of the mean sun** over the meridian. Alean noon is the instant when the mean sun's hour-circle coincides with the meridian.... | |
| William Carpenter Pendleton Muir - Nautical astronomy - 1906 - 718 pages
...true sun in the ecliptic, and the time measured by the motions of this mean sun is called mean time. **A mean solar day is the interval between two successive transits of the mean sun** over the upper branch of the same meridian, and mean solar time at a given place is the hour angle... | |
| William Carpenter Pendleton Muir - Nautical astronomy - 1906 - 718 pages
...true sun in the ecliptic, and the time measured by the motions of this mean sun is called mean time. **A mean solar day is the interval between two successive transits of the mean sun** over the upper branch of the same meridian, and mean solar time at a given place is the hour angle... | |
| Andrew Hall Holt - Geodetic astronomy - 1916 - 128 pages
...rate, the assumed motion of the mean sun takes place along the celestial equator at a constant rate. **A mean solar day is the interval between two successive transits of the mean sun** over the same meridian. It is a constant unit and is equal in length to the average of all the apparent... | |
| |