| Edward Riddle - 1824 - 572 pages
...pole is at the point of their intersection, the longitude of a place may also be defined to be the arc of the equator intercepted between the first meridian and the meridian of that place, and it is considered as east or west according as the place is situated towards the... | |
| Thomas Curtis (of Grove house sch, Islington) - 438 pages
...and hence in navigation the longitude of a place may also be said to be. or to be measured by, the arc of the equator intercepted between the first meridian and the meridian of that place ; and it is considered as east or west, according as the place is eastward or westward... | |
| 1834 - 578 pages
...any place is its distance from a particular meridian, called the first meridian, measured on 14 the arc of the equator, intercepted between the first meridian and the meridian of the place; suppose PaApto be the particular meridian which is called the first meridian, then the... | |
| Hugh Murray - 1837 - 612 pages
...the meridian circle that passes through the zenith of any particular place as the FIRST MERIDIAN, the arc of the equator intercepted between the first meridian and the meridian circle passing through the zenith of any other place, is called the LONGITUDE of that place. It is... | |
| John Gummere - 1837 - 506 pages
...and a meridian through any place, is called the Longitude of that place. Longitude is measured by the arc of the equator, intercepted between the first meridian and the meridian passing through the place, and is called east or west according as the latter meridian is to the east... | |
| Robert Simson (master of Colebrooke house acad, Islington.) - 1838 - 206 pages
...earth, and running through the poles. What is the longitude of a place ? The longitude of a place is the arc of the equator intercepted between the first meridian and the meridian of the place. How is longitude measured ? Degrees of longitude are not only measured on the equator,... | |
| William Augustus Norton - 1839 - 530 pages
...station, fixed upon as a circle to reckon from, and called the First Meridian. It is measured by the arc of the equator, intercepted between the first meridian and the meridian passing through the place, and is called East, or West, according as the latter meridian is to the... | |
| 1852 - 1080 pages
...the purposes of navigation it may be so considered. (See the Treatise on Mathematical Geography.) the arc of the equator, intercepted between the first meridian and the meridian of the place; suppose P a Ap to be the particular meridian which is called the first meridian, then... | |
| Charles Joseph Riches - 1854 - 64 pages
...according as the object is north or south of the ecliptic. Q. What is the longitude of a place ? A. An arc of the equator intercepted between the first meridian and the meridian of the place. In England the first meridian passes through Greenwich. The longitude of a celestial... | |
| Gerardus Beekman Docharty - 1867 - 474 pages
...meridian at the same angle. This course is called a rhumb line. 8. The longitude of a place is tbe arc of the equator intercepted between the first meridian and the meridian passing through the place. 9. The first meridian is arbitrarily assumed. That which passes through... | |
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