Problems on the Maps and Globes, Part 1 |
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Common terms and phrases
1st point A. M. at London angle of position Antaci Antipodes apparent bearing axis Azimuth brass meridian Bring the given bring the sun's Cairo Calcutta Cape Verd Celestial Longitude circle of amplitude constant twilight day and hour day and night duration of constant earth eastern edge eastern point eclipse will happen ecliptic pass equator Find the difference find the distance find the place find the sun's given day given place graduated Hainan heavenly body horizon hour being given index will show last problem latitude and longitude Libra Lima longest day lunar eclipse meridian altitude morning twilight begins North Cape north or south number of degrees Pekin Periaci Petersburgh place being given place required point of Aries pole quadrant of altitude Quito Rectify the globe Right Ascension Rome set the index solar eclipse sun vertical sun's place sun's rising Trace two lines turn the globe Vernal equinox visible Zodiac
Popular passages
Page 10 - Antipodes)o the inhabitants of any place. RULE. Place the two poles of the globe in the horizon, and bring the -given place to the eastern part of the horizon ; then, if the given place be in north latitude, observe how many degrees it is to the northward of the east point of the horizon ; the same number of degrees to the southward of the east point will show the...
Page 12 - ... then bring the given place to the meridian, and set the index to the given hour. Turn the globe till the index points to twelve at noon ; and the place exactly under the sun's declination on the brazen meridian will have the sun vertical at the given time.
Page 11 - Bring the sun's place in the ecliptic for the given day to the meridian, and set the index to XII. at noon : turn the globe westward...
Page 5 - To find the distance between any two places on the globe. Lay the graduated edge of the quadrant of altitude over both the places and count the number of degrees intercepted between them; which being multiplied by 60 for geographical, or t;9r'n for English miles, will give the distance required.
Page 12 - ... those points of the ecliptic in the circle of signs on the horizon, and exactly against them, in the circle of months, you will find the days on which the longest day begins and ends. The day preceding the 21st of June is...
Page 2 - It commences in the morning and ends in the evening, when the sun is 18° below the horizon.
Page 6 - ... of the given place ; find the moon's latitude and longitude, or her right ascension and declination, from an ephemeris, and mark her place on the globe ; bring the sun's place to the brass meridian, and set the index of the...
Page 17 - ... place. Rule,. — Rectify the globe for the latitude of the place, and bring the sun's place...
Page 3 - DIURNAL ARC is the arc described by the sun, moon, or stars, from their rising to their setting. — The sun's semi-diurnal arc is the arc described in half the length of the day.