Epitome of the Art of Navigation: Or, A Short, Easy and Methodical Way to Become a Compleat Navigator ... |
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Epitome of the Art of Navigation: Or, a Short, Easy and Methodical Way to ... James Atkinson,William Mountaine No preview available - 2018 |
Common terms and phrases
adjacent Angle alſo Angle ACD Angle BAC Azimuth Barbadoes Braſs Meridian Cafe Caſe Center Compaſs Courſe Departure deſcribed Diameter Diff Difference of Latitude Difference of Longitude Diſtance Dominical Letter draw Eaſt Ecliptic Epact equal Equator Equinoctial Example fame Feet firſt fubtract given Angle Globe half hath Horizon Hour Hypothenuſe AC Inches Iſland laſt Leagues Leg BC leſs Line Lizard Logarithms Longitude the Ship meaſured Merid North Number Oblique Circle Oblique Spheric Triangle Obſervation parallel perpendicular Plane Plane Sailing Plate Points Pole Primitive Circle Prob Proportion Quadrant of Altitude Radius Remainder repreſented Right Afcenfion Right Circle Rule Rumb ſame ſecond ſeveral ſhe ſhew ſheweth Ship fails Side CD Sine Complement Solid Content South Latitude Spheric Geometry Spheric Triangle Spheric Trigonometry Star's Sun's Altitude Sun's Azimuth Sun's Declination Sun's Place Tangent Secant theſe thoſe Trigono tude uſed Weft Weſt Weſterly whoſe
Popular passages
Page 122 - We infer from this that a triangle can be constructed with three given lines as sides, when the sum of any two sides is greater than the third side.
Page 47 - BD, is to their Difference ; fo is the Tangent of half the Sum of the Angles BDC and BCD, to the Tangent of half their Difference.
Page 159 - AZIMCTR circles, called azimuths, or vertical circles, are great circles of the sphere, intersecting each other in the zenith and nadir, and cutting the horizon at right angles in all the points thereof.
Page 149 - ... globe. A Strait is a narrow part of the ocean lying between two shores, and opening a way into some sea, as the Straits of Gibraltar that lead into the Mediterranean Sea. A Creek is a small narrow part of the sea or river, that goes up but a little way into the land.
Page 138 - ... the angle CGH (1. PI. Tr.): But since CG, HG are at right angles to DGB, which is the common section of the planes CBD, ABD, the angle CGH will be equal to the inclination of these planes (6.
Page 107 - Difference of Latitude, is to the Difference of Longitude ; fo is the Sine Complement of the Middle Latitude, to the Tangent of the Courfe, or more briefly thus : As Diff.
Page 218 - ... as the radius is to the tangent of the latitude ; so is the tangent of the sun's declination to the sine of the ascensional difference sought. This, converted into time, shows how much he rises...
Page ii - Navigatio Britannica: or, a complete System of Navigation, in all its Branches, both with regard to theory and practice; containing Geometry, Plane and Spherical Trigonometry, Astronomy, and the doctrine of the Sphere, &c.
Page 137 - Is to the cosine of half their difference, So is the cotangent of half the contained angle To the tangent of half the sum of the other angle*.
Page 207 - OH the globe by the divisions on the quadrant of altitude, in its motion about the body of the globe, when screwed to the zenith. PARALLELS of declination, in astronomy, are the same with parallels of latitude, in geography. PARALLEL sphere...