Astronomical and Geographical Essays: Containing a Full and Comprehensive View, on a New Plan, of the General Principles of Astronomy, the Use of the Celestial and Terrestrial Globes ... the Description and Use of the Most Improved Planetarium, Tellurian, and Lunarium, and Also an Introduction to Practical Astronomy |
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Page 199
... Quadrant of Altitude , ZA , fig . 1. This is a thin , narrow , flexible slip of brass , that will bend to the surface of the globe ; it has a nut , with a fidu- cial line upon it , which may be readily applied to the divisions on the ...
... Quadrant of Altitude , ZA , fig . 1. This is a thin , narrow , flexible slip of brass , that will bend to the surface of the globe ; it has a nut , with a fidu- cial line upon it , which may be readily applied to the divisions on the ...
Page 225
... quadrant of altitude over the two places , and mark the number of degrees intercepted between them . These degrees , multiplied as above - mentioned , will give the required distance . PROBLEM XI . To find the angle of position of ...
... quadrant of altitude over the two places , and mark the number of degrees intercepted between them . These degrees , multiplied as above - mentioned , will give the required distance . PROBLEM XI . To find the angle of position of ...
Page 257
... altitude equal to their distance from the edge of the enlightened disc , which is known by fixing the quadrant of altitude to the zenith , and laying its gra- duated edge over any particular place . The sun's depression is obtained in ...
... altitude equal to their distance from the edge of the enlightened disc , which is known by fixing the quadrant of altitude to the zenith , and laying its gra- duated edge over any particular place . The sun's depression is obtained in ...
Page 263
... quadrant of altitude so many degrees from the equa- tor , reckoned on the strong brass meridian towards the elevated ... elevation of the equator above the horizon . OF THE SOLUTION OF PROBLEMS , BY EXPOSING THE GLOBES TO THE SUN'S ...
... quadrant of altitude so many degrees from the equa- tor , reckoned on the strong brass meridian towards the elevated ... elevation of the equator above the horizon . OF THE SOLUTION OF PROBLEMS , BY EXPOSING THE GLOBES TO THE SUN'S ...
Page 272
... altitude to the 21st degree north of the east in the horizon , and turn the globe upon its axis , the sun's centre ... quadrant of altitude to the 272 PROBLEMS . 1 To shew where the Sun will be twice on the same Azimuth in the ...
... altitude to the 21st degree north of the east in the horizon , and turn the globe upon its axis , the sun's centre ... quadrant of altitude to the 272 PROBLEMS . 1 To shew where the Sun will be twice on the same Azimuth in the ...
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Other editions - View all
ASTRONOMICAL & GEOGRAPHICAL ES George 1750-1795 Adams,William 1763-1831 Jones No preview available - 2016 |
ASTRONOMICAL & GEOGRAPHICAL ES George 1750-1795 Adams,William 1763-1831 Jones No preview available - 2016 |
Common terms and phrases
angle apparent motion Aries artificial horizon astronomers azimuth body bright broad paper circle called celestial globe centre comet conjunction dark dial diameter disc distance diurnal motion earth ecliptic edge elevated enlightened equal equator equinox fixed stars Georgium Sidus given place greatest elongation heavens hemisphere Herschel horary index hour circle hour-lines illuminated inferior planets inhabitants Jupiter latitude light London longest day longitude magnitude Mars Mercury miles minutes month moon moon's night nodes noon north pole number of degrees observed opposite parallax parallel passes plate point of Aries polar circle PROBLEM quadrant of altitude rays Rectify the globe retrograde retrograde motion right ascension round the sun satellites Saturn seen semicircle shadow shew ship situation solar solstice spectator sphere strong brass meridian sun appears sun's declination sun's place superior planet suppose surface telescope terrestrial globe tion tropic turn the globe twilight Venus vertical west to east zenith
Popular passages
Page 515 - Charge will be made if this card is mutilated or not returned with the book GRADUATE LIBRARY THE UNIVERSITY OF MICHIGAN ANN ARBOR, MICHIGAN GL DO NOT REMOVE OR MUTILATE CARD...
Page 68 - Their names are Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricornus, Aquarius, Pisces; the whole occupying a complete circle, or broad belt, in the heavens, called the Zodiac.
Page 361 - And nightly to the list'ning earth Repeats the story of her birth : Whilst all the stars that round her burn, And all the planets in their turn, Confirm the tidings as they roll, And spread the truth from pole to pole.
Page 222 - If both the places be situated on the same parallel of latitude, their bearing is either east or west from each other ; if the'y be situated on the same meridian, they bear north and south from each other ; if they be situated on the same rhumb-line, that rhumbline is their bearing : if they be not situated on the same rhumb-line, lay the quadrant of altitude over the. two places, and that rhumb-line which is the nearest of...
Page 52 - Our views of Nature, however imperfect, serve to represent to us, in the most sensible manner, that mighty power which prevails throughout, acting with a force and efficacy that appears to suffer no diminution from the greatest distances of space or intervals of time...
Page 195 - To make this circle answer the purpose, a semicircular wire is placed over it, carrying two indices, one on the east, the other on the west side of the strong brass circle.
Page 309 - As the terrestrial globe by turning on its axis represents the real diurnal motion of the earth ; so the celestial globe, by turning on its axis, represents the apparent motion of the heavens.
Page 412 - The grand transition, that there lives and works A soul in all things, and that soul is God. The beauties of the wilderness are His, That make so gay the solitary place Where no eye sees them. And the fairer forms That cultivation glories in are His. He sets the bright procession on its way, And marshals all the order of the year ; He marks the bounds which winter may not pass, And blunts his pointed fury ; in its case, Russet and rude...
Page 303 - Only double the time of the sun's rising that day, and it gives the length of the night ; double the time of its setting and it gives the length of the day.
Page 149 - ... he had ever seen before. It was every moment changing into some of the colours of the rainbow, as yellow, orange, purple, and red ; though it was generally white when it was at some distance from the vapours of the horizon.