Lessons in Geography and Astronomy on the Globes: Supplementary to the Textbooks Generally Used on These Subjects |
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Lessons in Geography and Astronomy on the Globes: Supplementary to the ... A. Fleming No preview available - 2018 |
Common terms and phrases
amplitude analemma ascending node axis azimuth Boston Bring the given Cape Cape Farewell Cape Horn celestial equator celestial globe celestial poles celestial sphere centre circle of perpetual circumference constellations day and night daylight declination and right direct course diurnal arcs diurnal revolution earth east eastward ecliptic enlightened hemisphere equal equinoctial Examples fasten the quadrant fixed stars given day given degree given hour given latitude given place hour lines intersect June 21st June 22d lati latitude and longitude length line of direct Melville Island moon moon's place node north pole o'clock hour circle passes the meridian perpetual apparition perpetual day perpetual night plane position Prelim PROBLEM radius Rectify the globe rhumb line ridian right ascension rise and set September 22d sidereal sidereal day southern latitudes sun is seen sun passes sun-dial sun's declination sun's place surface terrestrial globe terrestrial horizon tion tude Turn the globe twilight seen vernal equinox western verge
Popular passages
Page 49 - The DECLINATION of a heavenly body is its distance north or south of the celestial equator, measured on a meridian.
Page 13 - A cone is a round pyramid, having a circular base. 8. A sphere is a solid, bounded by one continued convex surface, every point of which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed.
Page 29 - RULE. Bring the place at which the time is given to the brass meridian, and set the index...
Page 102 - X.), and mark it on the brass meridian ; then bring the given place to the meridian, and set the index to the given hour. Turn the globe till the index points to...
Page 54 - ... from night to night — between two successive culminations* — we shall know the exact length of an entire rotation. It has thus been found to be about twenty-three hours fifty-six minutes. This interval of time has received the name of a sidereal...
Page iii - The evidence taken under section three hundred and thirty-four shall not ordinarily be taken down in the form of question and answer, but in the form of a narrative. It shall be in the discretion of the Magistrate or Sessions Judge...
Page x - ... color sketch. Altitude. The perpendicular distance between the bases, or between the vertex and the base, of a solid or plane figure. Angle. The difference in direction of two lines which meet or tend to meet. The lines are called the sides, and the point of meeting, the vertex of the angle. An angle is measured by means of an arc of a circle described from its vertex as a center and included between its sides. The center of the arc is the vertex of the angle.
Page ix - CIRCLE is a plane figure bounded by a curve line every point of which is equally distant from, a point within, called the centre.
Page 24 - That in a fractional section where no opposite corresponding corner has been or can be established, any required subdivision line of such section must be run from the proper original corner in the boundary line due east and west, or north and south, as the case may be, to the water course, Indian reservation, or other boundary of such section, with due parallelism to section lines.
Page x - The subtense of an arc is a straight line, drawn from one extremity of the arc to meet at a finite angle the tangent to the arc at its other extremity. LEMMA VII. If BD be a subtense of the arc...