A Complete Treatise of Practical Navigation, Demonstrated from It's First Principles |
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A Complete Treatise of Practical Navigation, Demonstrated from It's First ... Archibald Patoun No preview available - 2016 |
Common terms and phrases
alſo Altitude anſwering Arch Artificial Sines Baſe becauſe Cafe called Caſk Circle Co-fine Compaſſes confequently Courſe and Diſtance Degrees Departure deſcribe Diameter Diff Difference of Latitude Difference of Longitude Dift Diſtance failed diurnal Motion Dominical Letter draw Earth Eaſt Ecliptick equal Equator Example fame fince firſt fubtract given Half Horizon Hours interfect Knot laſt leaſt Length leſs Lizard Logar Logarithm meaſured Meridian Miles Minutes Moon muſt North Number Obſervation oppoſite Parallel Parallel Sailing Parallelogram paſſing perpendicular Plane Sailing Point Pole Prob propoſed Radius Rectangular Trigonometry right Angles Rumb ſame Secant Sect ſet ſeveral ſhall ſhe ſhew Ship fails Side ſince South ſtanding Sun's Declination Suppoſe a Ship Table of Artificial Tang Tangent theſe thoſe thro tis plain true Courſe true Diſtance Weſt whoſe
Popular passages
Page 50 - In any triangle, the sides are proportional to the sines of the opposite angles, ie. t abc sin A sin B sin C...
Page 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.
Page 324 - 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.
Page 211 - ... 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...
Page 111 - ... 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...