An Introduction to the Use of the Globes ... 3. Ed. Corr. and EnlBaldwin, 1816 |
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Página 49
... corresponding celestial globe are depicted the exact positions of more than 6000 stars , clusters , nebulæ , & c . the whole forming the completost globes of any hitherto published . Ꭰ Given Cape Horn in 55 ° 58 ' S. lat 49.
... corresponding celestial globe are depicted the exact positions of more than 6000 stars , clusters , nebulæ , & c . the whole forming the completost globes of any hitherto published . Ꭰ Given Cape Horn in 55 ° 58 ' S. lat 49.
Página 50
John Greig. Given Cape Horn in 55 ° 58 ' S. lat . to rectify the globe for . Raise the S. pole until 55 ° 58 ′ coincide with the upper surface of the horizon , bring the Cape to the meridian , and proceed with the rest as in the pre ...
John Greig. Given Cape Horn in 55 ° 58 ' S. lat . to rectify the globe for . Raise the S. pole until 55 ° 58 ′ coincide with the upper surface of the horizon , bring the Cape to the meridian , and proceed with the rest as in the pre ...
Página 51
... Cape of Good Hope . Required the name of the place that has 18 ° 4 N. lat . and 76 ° 40 ′ W. lon . ? Answer , Kingston , the ca- pital of Jamaica . PROBLEM IV . A place being given , London for example , to find all those places that ...
... Cape of Good Hope . Required the name of the place that has 18 ° 4 N. lat . and 76 ° 40 ′ W. lon . ? Answer , Kingston , the ca- pital of Jamaica . PROBLEM IV . A place being given , London for example , to find all those places that ...
Página 52
... Cape of Good Hope . Required the antoci of St. Helena , in lat . 16 ° 4 ' S. and lon . 5 ° 54 ′ W. ? Answer , at 16 ° 4 ' N. lat . and lon . 5 ° 54 ' W. PROBLEM VI . To find the Perioci of any place given . Bring the place to the ...
... Cape of Good Hope . Required the antoci of St. Helena , in lat . 16 ° 4 ' S. and lon . 5 ° 54 ′ W. ? Answer , at 16 ° 4 ' N. lat . and lon . 5 ° 54 ' W. PROBLEM VI . To find the Perioci of any place given . Bring the place to the ...
Página 53
... the earth is antipodes to Cape Horn , in lat . 55 ° 58 ′ S. lon . 67 ° 20 ′ W. ? Answer , under 55 ° 58 ′ N. lat . and 112 ° 40 ′ E. lon . in Siberia , near the source of the Lena . Another method whereby the Antoci , Perioci , and An- 53.
... the earth is antipodes to Cape Horn , in lat . 55 ° 58 ′ S. lon . 67 ° 20 ′ W. ? Answer , under 55 ° 58 ′ N. lat . and 112 ° 40 ′ E. lon . in Siberia , near the source of the Lena . Another method whereby the Antoci , Perioci , and An- 53.
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Términos y frases comunes
20th of March 21st of June analemma Answer Argo Navis Aries Armillary Sphere brass meridian Bring the given bring the sun's Canis Major Canis Minor Cape Cape Frio centre climate compass constellations diameter difference of latitude distance sailed diurnal motion divide earth eastern verge ecliptic English miles equal equator equinoctial fix the quadrant given day given latitude Given London given place graduated edge hemisphere horizon hour hour-circle index points index will point latitude and longitude length Lizard Point longest day longitude mark meri meridian altitude midnight month moon moon's noon number of degrees oblique ascension orbit parallels of latitude pass planets polar circles PROBLEM quadrant of altitude reckoned Rectify the globe required the place Required the sun's right angles right ascension rising and setting round set the index ship sails side south point stars sun rises sun's place swer turn the globe upper XII vertical
Pasajes populares
Página 11 - Things which are halves of the same are equal to one another. 8. Magnitudes which coincide with one another, that is, which exactly fill the same space, are equal to one another. 9. The whole is greater than its part. 10.
Página 140 - On the plate is represented a total lunar eclipse ; the moon being in the midst of the earth's shadow. Now it will be apparent that in the situation of the sun, earth, and moon, as represented in the figure, this eclipse will be visible from all parts of that hemisphere of the earth which is next the moon, and that the moon's disk will be equally obscured, from whatever point it is seen.
Página 11 - Things which are equal to the same thing are equal to one another. 2. If equals be added to equals the wholes are equal. 3. If equals be taken from equals the remainders are equal. 4. If equals be added to unequals the wholes are unequal. 5. If equals be taken from unequals the remainders are unequal. 6. Things which are double of the same are equal to one another.
Página 107 - ANGLE OF POSITION between two places on the terrestrial globe, is an angle at the zenith of one of the places, formed by the meridian of that place, and a vertical circle passing through the other place...
Página 10 - Again ; the mathematical postulate, that " things which are equal to the same are equal to one another," is similar to the form of the syllogism in logic, which unites things agreeing in the middle term.
Página 66 - ... bring the given place to the meridian, and set the index to the given hour. Turn the globe till the index points to...
Página 128 - Sun's centre, which is 49,000 miles, is within less thin a third part of the Sun's semi-diameter from his surface. In that part of its orbit which is nearest the Sun, it flies...
Página 47 - PERKECI are those who live in the same latitude, but in opposite longitudes ; when it is noon with the one, it is midnight with the other; they have the same length of days, and the same seasons of the year. The inhabitants of the poles can have no Perioeci.
Página 69 - Rectify the globe for the latitude of the place. Bring the sun's place in the ecliptic to the meridian, and set the index at 12.
Página 140 - ... small portion of the hemisphere on which the moon's shadow falls, it happens that for any particular place on the earth, lunar eclipses are more frequently...