Epitome of the Art of Navigation: Or, A Short, Easy and Methodical Way to Become a Compleat Navigator ...J. Mount and T. Page, 1770 - 447 sider |
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Side 13
... Degrees . 4. An Oblique - Angle , is either an Acute less than 90 Degrees , as BAC , or Obtufe more than 90 Degrees , as GHI . Figure 7 . Note ; An Angle is written with three Letters , the middle Letter fignifieth the Angular Point as ...
... Degrees . 4. An Oblique - Angle , is either an Acute less than 90 Degrees , as BAC , or Obtufe more than 90 Degrees , as GHI . Figure 7 . Note ; An Angle is written with three Letters , the middle Letter fignifieth the Angular Point as ...
Side 16
... Degrees . 3. Divide ( by Problem 2. ) BI into two equal Parts in E , and then BE equal to EI , is equal to 45 Degrees . 4. Make BF equal to BÉ , and draw the Lines BE , and EDF , to cut the Diameter HAB in D. 5. At B ( by Problem 3 ...
... Degrees . 3. Divide ( by Problem 2. ) BI into two equal Parts in E , and then BE equal to EI , is equal to 45 Degrees . 4. Make BF equal to BÉ , and draw the Lines BE , and EDF , to cut the Diameter HAB in D. 5. At B ( by Problem 3 ...
Side 34
... Degree containing 60 Min . and a Min . 60 Seconds , & c . as in Prob . IX . Defin . 1. of Geometry , in Page 15 . 6. By Complement of any Number of Degrees , understand what thofe Degrees want of 90 . 7. A Triangle , is either Right ...
... Degree containing 60 Min . and a Min . 60 Seconds , & c . as in Prob . IX . Defin . 1. of Geometry , in Page 15 . 6. By Complement of any Number of Degrees , understand what thofe Degrees want of 90 . 7. A Triangle , is either Right ...
Side 53
... Degrees of Latitude and Longitude equal in all Places ; which is only true in the Equator . 2. The Equator is a Line drawn East and West , and is 90 Degrees diftant from each Pole : From it Latitude beginneth , and on it Longitude is ...
... Degrees of Latitude and Longitude equal in all Places ; which is only true in the Equator . 2. The Equator is a Line drawn East and West , and is 90 Degrees diftant from each Pole : From it Latitude beginneth , and on it Longitude is ...
Side 83
... Degrees . 8. Longitude , is reckoned in the Equator , round which ( by fome ) it's counted increafing to the Eaffward , ' till it ends ( where it firft began ) in 360 Degrees , the greatest Longitude : Others ( as Mr. Wakely , in his ...
... Degrees . 8. Longitude , is reckoned in the Equator , round which ( by fome ) it's counted increafing to the Eaffward , ' till it ends ( where it firft began ) in 360 Degrees , the greatest Longitude : Others ( as Mr. Wakely , in his ...
Andre utgaver - Vis alle
Epitome of the Art of Navigation: Or, a Short, Easy and Methodical Way to ... James Atkinson Uten tilgangsbegrensning - 1753 |
Epitome of the Art of Navigation; Or, A Short and Easy Methodical Way to ... James Atkinson Uten tilgangsbegrensning - 1711 |
Epitome of the Art of Navigation: Or, a Short, Easy and Methodical Way to ... James Atkinson,William Mountaine Ingen forhåndsvisning tilgjengelig - 2018 |
Vanlige uttrykk og setninger
adjacent Angle alfo Anfw Angle ACB Angle BAC Angle oppofite Axiom Barbadoes Cafe Center Column Compafs Courfe Courſe defcribed Departure Diameter Diff Difference of Latitude Difference of Longitude Diſtance Dominical Letter draw Eaft Eafterly Ecliptic Epact equal Equator Equinoctial Example faid fame fecond Feet fhew fheweth firft firſt fubtract Globe greateſt half hath Horizon Hour Hypothenufe AC Inches Leag Leagues lefs Leg BC Line Lizard Logarithm meaſured Merid Meridian Altitude Minutes Sine neareſt North Number Obfervation Oblique Circle Oblique Triangle Parallel perpendicular Plane Plate Points Pole Primitive Circle Prob Proportion Radius Remainder reprefented Right Afcenfion Right Circle Rule Rumb Ship fails Ship's Side AC Side CD Sine Complement Sine Tangent Secant Solid Content South Latitude Spheric Geometry Spheric Triangle Spheric Trigonometry Star's Sun's Altitude Sun's Azimuth Sun's Declination Sun's Place thefe theſe Trigono tude Weft Wefterly whofe
Populære avsnitt
Side 123 - 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.
Side 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.
Side 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.
Side 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.
Side 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.
Side 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.
Side 216 - ... 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...
Side 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.
Side 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*.
Side 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...