Navigation New ModelledW. and J. Mount, 1761 - 528 sider |
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Resultat 1-5 av 7
Side 221
... represent the Meridian ; then draw the Dia- meter HO to reprefent the Horizon , and at Fig.65 . Right Angles to it draw the Line ZN , to repre- fent the Prime Vertical ; then fet off the Latitude 51 32 ( taken off the Chords ) from o to ...
... represent the Meridian ; then draw the Dia- meter HO to reprefent the Horizon , and at Fig.65 . Right Angles to it draw the Line ZN , to repre- fent the Prime Vertical ; then fet off the Latitude 51 32 ( taken off the Chords ) from o to ...
Side 232
... represent the Horizon , and at Right Angles to it , draw the Diameter ZAN the Azimuth of Eaft and Weft : Then because the Pole is 51d . 32m , above the Horizon , fet of 51d . 32m . of the Chords from 0 to P , and from H to S , then is P ...
... represent the Horizon , and at Right Angles to it , draw the Diameter ZAN the Azimuth of Eaft and Weft : Then because the Pole is 51d . 32m , above the Horizon , fet of 51d . 32m . of the Chords from 0 to P , and from H to S , then is P ...
Side 331
... represent the Set of the Current , upon which set off 32 Miles , the Current's Motion in 25 Hours , from C to D , then at the nearest Distance from D to the Line AC , ( which here happens to be the Length of the Line CD , because CD is ...
... represent the Set of the Current , upon which set off 32 Miles , the Current's Motion in 25 Hours , from C to D , then at the nearest Distance from D to the Line AC , ( which here happens to be the Length of the Line CD , because CD is ...
Side 336
... represent the two Islands , and the Ship's Way to them without any Allowance for the Current , the Line AC reprefenting the Ship's Way with her Starboard Tacks aboard 72 deg . from the Wind , and the Line CB her Way , with her Larboard ...
... represent the two Islands , and the Ship's Way to them without any Allowance for the Current , the Line AC reprefenting the Ship's Way with her Starboard Tacks aboard 72 deg . from the Wind , and the Line CB her Way , with her Larboard ...
Side 337
... represent the true compound Motion of the Ship or Course made good ; but because she is to lie upon that Tack , but only till fhe be got half Way to the Port fail'd for , obferve where the Line Ag cuts the Perpendicular d C as in e ...
... represent the true compound Motion of the Ship or Course made good ; but because she is to lie upon that Tack , but only till fhe be got half Way to the Port fail'd for , obferve where the Line Ag cuts the Perpendicular d C as in e ...
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Navigation New Modelled: Or a Treatise of Geometrical, Trigonometrical ... Wilson Uten tilgangsbegrensning - 1752 |
Navigation New Modelled: Or, a Treatise of Geometrical, Trigonometrical ... Henry Wilson Ingen forhåndsvisning tilgjengelig - 2018 |
Vanlige uttrykk og setninger
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Populære avsnitt
Side xiv - In any plane triangle, the sum of tfte two sides containing either angle, is to their difference, as the tangent of half the sum of the other two angles, to the tangent of half their difference.
Side 185 - Multiply the moon's age by 4, and divide the product by 5 ; the quotient...
Side xiv - Then as the sum of the sides is to their difference, so is the tangent of half the sum of the unknown angles to the tangent of half their difference (Theor.
Side xiv - ... the sum of the segments of the base is to the sum of the sides as the difference of the sides to the difference of the segments of the base.
Side 231 - ... of the opposite parts. All of the ten formulas just listed can easily be derived from these rules. Oblique Spherical Triangles.— Formulas for the solution of oblique spherical triangles are developed from those for right spherical triangles. The law of sines states that in any spherical triangle the sines of the sides are proportional to the sines of their opposite angles: sin a sin b sin с...
Side xi - Circumference of every Circle is fuppofed to be Divided into 360 equal Parts called Degrees, and each Degree...
Side 24 - Then radius : log. 179-3 :: s. 8° 31' : log. ofi6'5i; which doubled is the diftance between Edyftone and Lizard 53-04 miles. For the other two, there are 2 fides, and an angle oppofite to one of them, given, to find the other fide.
Side 232 - Day, fubtradt the Complement of the Sun's Altitude, noting the half Sum, and the Remainder. 3. Then to find the Sun's Azimuth, it's thus ; to the Complement Arithmetic of the Sines of the Complement of the Latitude, and Complement of the Sun's Altitude, add the Sines of the aforefaid...
Side 231 - Perpendicular, let it fall from the End of a given Side, and oppofite to a given Angle...
Side 232 - The Tangents of the Bafes are proportional to the Tangents of the Angle at the Vertex.