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 pagina's |
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Pagina 124
... edge , and then disappear . When they have been absent for nearly the same period of time which they were visible , they appear again as at first , finishing their entire circuit in 27 days 12 hours 20 minutes . * M. Cassini determined ...
... edge , and then disappear . When they have been absent for nearly the same period of time which they were visible , they appear again as at first , finishing their entire circuit in 27 days 12 hours 20 minutes . * M. Cassini determined ...
Pagina 135
... edge , and about 7 days from the full moon she is again within 90 degrees of the sun , and appears a semi - circle with the convex side turned to- wards the sun : moving on still eastward , the deficiency on her western edge becomes ...
... edge , and about 7 days from the full moon she is again within 90 degrees of the sun , and appears a semi - circle with the convex side turned to- wards the sun : moving on still eastward , the deficiency on her western edge becomes ...
Pagina 138
... edge of the moon , which is always turned towards the sun , is regular and well defined , and at the time of full moon no notches or indented parts are seen on her surface . In all situations of the moon , the ele- vated parts are ...
... edge of the moon , which is always turned towards the sun , is regular and well defined , and at the time of full moon no notches or indented parts are seen on her surface . In all situations of the moon , the ele- vated parts are ...
Pagina 166
... edge of the meridian from pole to pole have the same longitude . All people situated under the same meridian from 66 ° 28 ′ north latitude to 66 ° 28 ′ south latitude , have noon at the same time : or , if it be one , two , three , or ...
... edge of the meridian from pole to pole have the same longitude . All people situated under the same meridian from 66 ° 28 ′ north latitude to 66 ° 28 ′ south latitude , have noon at the same time : or , if it be one , two , three , or ...
Pagina 170
... edge of the quadrant of altitude over the two places , so that the division marked O may be on one of the places , the degrees on the quadrant comprehended between the the two places will give their distance ; and if these degrees be ...
... edge of the quadrant of altitude over the two places , so that the division marked O may be on one of the places , the degrees on the quadrant comprehended between the the two places will give their distance ; and if these degrees be ...
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Overige edities - Alles bekijken
A New Treatise on the Use of the Globes: Or, A Philosophical View of the ... Thomas Keith Volledige weergave - 1811 |
A New Treatise on the Use of the Globes: Or, a Philosophical View of the ... T. Keith Volledige weergave - 1853 |
A new treatise on the use of the globes; or, A philosophical view of the ... Thomas Keith Volledige weergave - 1848 |
Veelvoorkomende woorden en zinsdelen
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
Populaire passages
Pagina 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.
Pagina 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...
Pagina 282 - Elevate the globe to so many degrees above the horizon as are equal to the latitude of the place...
Pagina 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.
Pagina 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...
Pagina 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...
Pagina 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.
Pagina 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!
Pagina 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...
Pagina 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.