A New Treatise on the Use of the Globes, Or, A Philosophical View of the Earth and Heavens ....Samuel Whiting & Company, and Samuel Wood, printer, 1811 - 346 σελίδες |
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Σελίδα 2
... heavens is a space nearly equal to twice the apparent diameter of the sun ; or to twice that of the moon when considerably elevated above the horizon . 6. GREAT CIRCLES divide the globe into two equal parts DEFINITIONS , & c . Equator,
... heavens is a space nearly equal to twice the apparent diameter of the sun ; or to twice that of the moon when considerably elevated above the horizon . 6. GREAT CIRCLES divide the globe into two equal parts DEFINITIONS , & c . Equator,
Σελίδα 6
... diameter of the earth in feet , then -h , will shew the distance which a per- son will be able to see , straight forward . Keith's Trigonometry , Example XLI , page 83 . - 22. The WOODEN HORIZON circumscribing the arti- ficial globe , 6 ...
... diameter of the earth in feet , then -h , will shew the distance which a per- son will be able to see , straight forward . Keith's Trigonometry , Example XLI , page 83 . - 22. The WOODEN HORIZON circumscribing the arti- ficial globe , 6 ...
Σελίδα 21
... diameter will be less than the horizontal one , which is not affected by refraction . Refraction is variable according to the different dens- ity of the air ; hence it happens that we sometimes are able to see the tops of mountains ...
... diameter will be less than the horizontal one , which is not affected by refraction . Refraction is variable according to the different dens- ity of the air ; hence it happens that we sometimes are able to see the tops of mountains ...
Σελίδα 36
... diameter . 104. Disc , the face of the sun or moon , such as it appears to a spectator on the earth ; for though the sun and moon be really spherical bodies , they appear to be circular plains . 105. GEOCENTRIC latitudes and longitudes ...
... diameter . 104. Disc , the face of the sun or moon , such as it appears to a spectator on the earth ; for though the sun and moon be really spherical bodies , they appear to be circular plains . 105. GEOCENTRIC latitudes and longitudes ...
Σελίδα 53
... diameter , or longer axis of the ellipsis , and CO the conjugate diameter , or shorter axis . With the distance TD or DR in your compasses , and C as a centre , describe the arch Ff : the points F , f , will be the two foci of the ...
... diameter , or longer axis of the ellipsis , and CO the conjugate diameter , or shorter axis . With the distance TD or DR in your compasses , and C as a centre , describe the arch Ff : the points F , f , will be the two foci of the ...
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Άλλες εκδόσεις - Προβολή όλων
A New Treatise on the Use of the Globes: Or, a Philosophical View of the ... T. Keith Πλήρης προβολή - 1853 |
Συχνά εμφανιζόμενοι όροι και φράσεις
analemma angle of position Answer appear arch Arcturus atmosphere axis azimuth body brass meridian Bring the given Cape centre compass constellation diameter distance diurnal diurnal motion earth eastward ecliptic Elevate the pole English miles equal equator equinoctial equinox find the sun's fixed stars frigid zone full moon geographical miles given place globe westward graduated edge heavens hence Hesiod horizon hour circle index has passed inhabitants island Jupiter latitude length Libra London longest day longitude magnitude meridian altitude minutes month moon's morning motion node north latitude north or south north pole number of degrees o'clock oblique observe orbit parallel of latitude planet point Aries PROBLEM quadrant of altitude reckoning revolves round right ascension rise and set round the sun Rule satellites Saturn set the index shew situated south pole spherical trigonometry sun rises sun's altitude sun's declination sun's place surface tides tude turn the globe twilight vapours Venus vertical
Δημοφιλή αποσπάσματα
Σελίδα 2 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Σελίδα 64 - In this case, it is obvious that the plane of the circle of illumination would be perpendicular to a line drawn from the centre of the sun to the centre of the earth...
Σελίδα 282 - Elevate the globe to so many degrees above the horizon as are equal to the latitude of the place...
Σελίδα 44 - To every action there is always opposed an equal reaction: or, the mutual actions of two bodies on each other are always equal, and directed to contrary parts.
Σελίδα 11 - VERTICAI is that azimuth circle which passes through the east and west points of the horizon, and is always at right angles with the...
Σελίδα 228 - Elevate the pole so many degrees above the horizon as are equal to the latitude of the place, and screw the quadrant of altitude...
Σελίδα 5 - VV ater-bearer, i9 represented by the figure of a man pouring out water from an urn ; an emblem of the dreary and uncomfortable season of winter The last of the zodiacal constellations was Pisces, or a couple of fishes, tied back to back, representing the fishing season. The severity of the winter is over, the flocks do not afford sustenance, but the seas and rivers are open and abound with fish.
Σελίδα 91 - And quitting sense call imitating God; As Eastern priests in giddy circles run, And turn their heads to imitate the sun. Go, teach Eternal Wisdom how to rule — Then drop into thyself, and be a fool!
Σελίδα 130 - The time which this planet takes to revolve on its axis, and the inclination of its axis to the plane of its orbit, have been given by different astronomers ; but Dr. Herschel, from a long series of observations on this planet, published in the Philosophical Transactions...
Σελίδα 222 - Rectify the globe for the latitude of the place. Find the sun's place in the ecliptic, and bring it to the brass meridian ; the number of degrees on the meridian between the horizon and the sun's place is the altitude required.