A Complete Treatise of Practical Navigation, Demonstrated from It's First PrinciplesW. Mount, 1770 - 525 sider |
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Side 72
... Earth make up a Compofition of a fpherical Form , or rather an oblate Figure , which is called the Terra- queous Globe . 2. This Globe moving round it's Axis in 24 Hours , from Weft to Eaft , and thereby causing the celestial Bodies to ...
... Earth make up a Compofition of a fpherical Form , or rather an oblate Figure , which is called the Terra- queous Globe . 2. This Globe moving round it's Axis in 24 Hours , from Weft to Eaft , and thereby causing the celestial Bodies to ...
Side 73
Archibald Patoun. 3. Those two Points in which the Axis of the Earth meets the Surface , are called the Poles of the Earth ; and if the Axis be produced on both Sides to the Heavens , it will cut them in two opposite Points , called the ...
Archibald Patoun. 3. Those two Points in which the Axis of the Earth meets the Surface , are called the Poles of the Earth ; and if the Axis be produced on both Sides to the Heavens , it will cut them in two opposite Points , called the ...
Side 74
... Earth about it's Axis , every Point upon it's Surface defcribes a Circle , it is plain all the Points between the Equator and Poles muft defcribe Circles parallel to the Equator ; and thefe are called Parallels of Latitude . 10. The ...
... Earth about it's Axis , every Point upon it's Surface defcribes a Circle , it is plain all the Points between the Equator and Poles muft defcribe Circles parallel to the Equator ; and thefe are called Parallels of Latitude . 10. The ...
Side 75
... Earth about it's Axis , every Point upon the Surface defcribes the Circumference of a Circle , or 360 Degrees , in 24 Hours Time , it is plain in one Hour it must describe 15 Degrees : Therefore any Place lying 15 Degrees to the ...
... Earth about it's Axis , every Point upon the Surface defcribes the Circumference of a Circle , or 360 Degrees , in 24 Hours Time , it is plain in one Hour it must describe 15 Degrees : Therefore any Place lying 15 Degrees to the ...
Side 76
... Earth there be drawn a Line perpendicular to the Plane of the Ho- rizon , and produced to the Heavens , it will there mark out two Points ; the one , which is directly over our Heads , is called the Zenith ; and the oppo- fite Point ...
... Earth there be drawn a Line perpendicular to the Plane of the Ho- rizon , and produced to the Heavens , it will there mark out two Points ; the one , which is directly over our Heads , is called the Zenith ; and the oppo- fite Point ...
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A Complete Treatise of Practical Navigation, Demonstrated from It's First ... Archibald Patoun Ingen forhåndsvisning tilgjengelig - 2016 |
Vanlige uttrykk og setninger
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Populære avsnitt
Side 50 - In any triangle, the sides are proportional to the sines of the opposite angles, ie. t abc sin A sin B sin C...
Side 25 - Similar figures, are those that have all the angles of the one equal to all the angles of the other, each to each, and the sides about the equal angles proportional.
Side 326 - Solids which decrease gradually from the base till they come to a point, are generally called Pyramids. If the base be a square, it is called a square pyramid; if a triangle, a triangular pyramid ; if a circle, a circular pyramid, or a cone.
Side 213 - ... meridians were drawn parallel to each other, and, confequently, the parallels of latitude made equal to the equator, and fo a degree of longitude on any parallel, as large as a degree on the equator: alfo, in thefe charts, the degrees of latitude were ftill reprefented (as they are in themfelves) equal to each other, and to thofe of the equator; by thefe means the degrees of longitude being increafed beyond their juft proportion, and the more fo 'the nearer they...
Side 113 - ... Sunday of January, in a common year, will show all the Sundays throughout the year, and to whatever days in the rest of the months, that letter is put, these days are all Sundays. If the first day of January be on a Sunday, the next year will begin on Monday, and the Sunday will fall on the seventh day, to which is annexed the letter G, which therefore will be the Sunday letter for that year; the next year beginning on Tuesday, the first Sunday will fall on the sixth of January, to which is adjoined...