Epitome of the Art of Navigation: Or, A Short, Easy and Methodical Way to Become a Compleat Navigator ... |
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Common terms and phrases
added Altitude Angle Anſw Area Axiom Azimuth Baſe Bearing called Caſe Center Chapter Chord Column Compaſs containing Courſe Declination Definition Degrees demand Departure Diameter Diff Difference of Latitude Difference of Longitude directed Diſtance divided draw Eaſt Eaſterly Ecliptic equal Equator Equinoctial Example Feet firſt Foot Geometry given Globe greater half hath Horizon Hour Hypothenuſe Inches Leagues Length leſs Line Lizard Logarithm Long Longitude meaſured Meridian Minutes neareſt North Note Number Oblique Circle Obſervation oppoſite Page Pages parallel Perpendicular Place Plane Plate Points Pole Primitive Circle Prob Problem Proportion Quadrant Radius Remainder Rule Sailing ſame Scale ſecond Ship Ship’s Side Sine Sine Tangent Secant Solid Content South South Latitude Spheric Triangle Square Star ſubtract Sun's Table Tenths theſe Things third Triangle Trigonometry true Uſe Weſt whoſe Wind
Popular passages
Page 119 - 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 39 - 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 149 - 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 139 - ... 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 128 - ... 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 99 - 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 207 - ... 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 2 - 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 128 - 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 195 - 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...
Bibliographic information
| Title | Epitome of the Art of Navigation: Or, A Short, Easy and Methodical Way to Become a Compleat Navigator ... |
| Author | James Atkinson |
| Editor | William Mountaine |
| Publisher | J. Mount and T. Page, 1770 |
| Original from | the University of Michigan |
| Digitized | May 19, 2006 |
| Length | 447 pages |
| Export Citation | BiBTeX EndNote RefMan |