Navigation New ModelledW. and J. Mount, 1761 - 528 sider |
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Side ix
... Tides , by a Method fo eafy , that you may thereby find the Time of High - Water , at any known Port , only by a Sight of the Moon , at any Time of the Day or Night , illuf- trated by a Diagram , or Figure , in which , indeed to have ...
... Tides , by a Method fo eafy , that you may thereby find the Time of High - Water , at any known Port , only by a Sight of the Moon , at any Time of the Day or Night , illuf- trated by a Diagram , or Figure , in which , indeed to have ...
Side x
... Tides , that in the low Ground in Yorkshire , over against Stock- ton , where the Tide never comes but in the very high Spring - Tides , it flowed two or three Foot Water , and doubtlefs at other Places it was proper- tionable , which ...
... Tides , that in the low Ground in Yorkshire , over against Stock- ton , where the Tide never comes but in the very high Spring - Tides , it flowed two or three Foot Water , and doubtlefs at other Places it was proper- tionable , which ...
Side xvi
... Tide - Table . 196 Sect . 6. Examples in keeping a fournal , and how to give all proper Allowance for Lee - way , Variation , & c . and bow to correct it by an Obfervation . CHAP . VIII . Of the Projection of the Sphere . 202 SECT . 1 ...
... Tide - Table . 196 Sect . 6. Examples in keeping a fournal , and how to give all proper Allowance for Lee - way , Variation , & c . and bow to correct it by an Obfervation . CHAP . VIII . Of the Projection of the Sphere . 202 SECT . 1 ...
Side 160
... Tides , which Way the Ebbs and Floods fet , and what Moon makes full Sea upon any Coaft , that fo it may be known how long to ride at Anchor , Anchor , or lie by to wait the Tide , [ 160 ] Practical Navigation, or the Applica- tion of ...
... Tides , which Way the Ebbs and Floods fet , and what Moon makes full Sea upon any Coaft , that fo it may be known how long to ride at Anchor , Anchor , or lie by to wait the Tide , [ 160 ] Practical Navigation, or the Applica- tion of ...
Side 161
Henry Wilson. Anchor , or lie by to wait the Tide , if you know you are too foon ; or what fail to make to fave your Tide , if you fear being too late : And these four Things I fhall handle in this Part , and that in fuch a Manner , as ...
Henry Wilson. Anchor , or lie by to wait the Tide , if you know you are too foon ; or what fail to make to fave your Tide , if you fear being too late : And these four Things I fhall handle in this Part , and that in fuch a Manner , as ...
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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.