It is bounded by two circles equidistant from the ecliptic, about eighteen degrees apart; and it is divided into twelve signs, and marked by twelve constellations.
Abandoning therefore all a priori theoretical assumption, Bashforth set to work to measure experimentally the velocity of shot and the resistance of the air by means of equidistant electric screens furnished with vertical threads or wire, and by a chronograph which measured the instants of time at which the screens were cut by a shot flying nearly horizontally.
Glareanus (1510) was the first to employ an equidistant zenithal polar projection.
P. I), a cylinder is ruled with equidistant white lines parallel to the axis on a black ground.
PLINLIMMON (Plynlimmon, Pumplumon, Pumlumon, Penlumon: Pumlumon is the name used locally: pump means five: lumon, chimney, flag or beacon; pen, head), a mountain of Wales of the height of 2463 ft., equidistant (about 10 m.) from Machynlleth and Llanidloes.
1, where P is a point on the curve equidistant from the fixed line AB, known as the directrix, and the fixed point F known as the focus.
The breadth of the penumbra when the source and screen are nearly equidistant from the opaque body is equal to the diameter of the luminous source.
Out of the vague and limitless body there sprung a central mass, - this earth of ours, cylindrical in shape, poised equidistant from surrounding orbs of fire, which had originally clung to it like the bark round a tree, until their continuity was severed, and they parted into several wheelshaped and fire-filled bubbles of air.
Another suggested identification is with Kusur el-Besheir, equidistant (2 m.) from Dibon and Aroer.
Nicholas, a point equidistant from these two towns, while Timok I.
Lecce is quite close to the site of the ancient Lupiae, equidistant (25 m.) from Brundusium and Hydruntum, remains of which are mentioned as existing up to the 15th century.
Wales, practically equidistant by rail from Bangor (292 m.) and Chester (30(30 m.), and 209 m.
Taking four roughly equidistant places, the rise at Iquitos is 20 ft., at Teffe 45, near Obidos 35, and at Path 12 ft.
The comparison of the will unable to act between two equally balanced motives to an ass dying of hunger between two equal and equidistant bundles of hay is not found in his works, and may have been invented by his opponents to ridicule his determinism.
The most common form of grain is ellipsoidal, more or less narrow at the extremities, which are called its poles, in contradistinction to a line equidistant from the extremities, which is its equator.
Apart, and straight lines are chalked from bowl to bowl across their back and front faces, and a jack is then deposited equidistant from each bowl and immediately before the front line.
In his method three vertical antennae are employed, placed at equidistant distances, and oscillations are created in the three with a certain relative difference of phase.
The Aeolian or Lipari Islands, a remarkable volcanic group, belong rather to Sicily than to Italy, though Stromboli, the most easterly of them, is about equidistant from Sicily and from the mainland.
Ducarla, published his La France consideree da p s les dijferentes hauteurs de ses plaines (1791), upon which equidistant contours at intervals of 16 toises found a place.
The maritime discoveries and surveys of that age of great discoveries were laid down upon so-called " plane-charts," that is, charts having merely equidistant parallels indicated upon them, together with the equator, the tropics and polar FIG.
The earliest of these, a trapeziform projection with equidistant parallels, by D.
The object-glass of a telescope, the Fresnel's zones are reduced to parallel and equidistant straight strips, which at certain angles coincide with the ruling.
In these instruments the lines are ruled upon a spherical surface of speculum metal, and mark the intersections of the surface by a system of parallel and equidistant planes, o; of which the middle member passes through the centre of the sphere.
CHORUM, the chief town of a sanjak of the Angora vilayet in Asia Minor, altitude 2300 ft., situated on the edge of a wide plain, almost equidistant from Amasia and Yuzgat.
The harbour is about equidistant from New York, Philadelphia, and the capes of Chesapeake Bay, and is used chiefly by vessels awaiting orders to ports for discharge or landing.
Inland from the Mediterranean, on the famous military route between Syria and Egypt, about equidistant (18 m.) from Joppa and Gaza.
It is only necessary to consider the trapezette and the briquette, since the cases which occur in practice can be reduced to one or other of these forms. In each case the data are the values of certain equidistant ordinates, as described in §§ 43-45.
2um) Now, if p is any factor of m, there is a series of equidistant ordinates uo, up, 142p, um - p, um; and the chordal area as determined by these ordinates is ph (2uo + up + u2p +.
2, and round this circle equidistant points, say 8 or 12, are.
Aequator, from aequare to make equal), in geography, that great circle of the earth, equidistant from the two poles, which divides the northern from the southern hemisphere and lies in a plane perpendicular to the axis of the earth; this is termed the "geographical" or "terrestrial equator."
In astronomy, the "celestial equator" is the name given to the great circle in which the plane of the terrestrial equator intersects the celestial sphere; it is consequently equidistant from the celestial poles.
- Situated almost equidistant from Chicago, Boston and New York, Buffalo, by reason of its favourable location in respect to lake transportation and its position on the principal northern trade route between the East and West, has become one of the most important commercial and industrial centres in the Union.
If, therefore, the screw has several equidistant threads, the true pitch is equal to the divided axial pitch, as measured between two adjacent threads, multiplied by the number of threads.
Almost equidistant from the remotest frontiers of Prussia, from north to south, and from east to west, 180 m.
Thus in the case of the circular disk, equidistant (r) from the source of light and from the screen upon which the shadow is observed, the width of the first exterior zone is given by = X(2r)/4(2x), 2x being the diameter of the disk.
Of Melrose, about equidistant from Melrose and St Boswells stations on the North British railway.
Every point is equidistant from a fixed point within the surface; this point is the "centre," the constant distance the "radius," and any line through the centre and intersecting the sphere is a "diameter."
The graph will then be made up of a succession of parallel lines.