Navigation New ModelledW. and J. Mount, 1761 - 528 sider |
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Side vi
... first discover it : For the supplying of which Want of an exact Me- thod to find the Longitude , I have , toward the latter End of this Treatife , inferted a very useful Method for finding the Longitude by the Sun , any Day at Noon ...
... first discover it : For the supplying of which Want of an exact Me- thod to find the Longitude , I have , toward the latter End of this Treatife , inferted a very useful Method for finding the Longitude by the Sun , any Day at Noon ...
Side vii
... by the Pen , if Tables were wanting , & c . ] at the first Sight of which I thought my Design had been anticipated , till looking further A 4 into into the Book where he is upon that Subject , The Epifle to the READER . vii.
... by the Pen , if Tables were wanting , & c . ] at the first Sight of which I thought my Design had been anticipated , till looking further A 4 into into the Book where he is upon that Subject , The Epifle to the READER . vii.
Side viii
... first thought of appearing in Publick . But fuppofing that thofe who had learned the whole Art of Na- vigation , both Geometrical , Trigonometrical , and In- ftrumental , as it is commonly taught in Schools , and practifed at Sea ...
... first thought of appearing in Publick . But fuppofing that thofe who had learned the whole Art of Na- vigation , both Geometrical , Trigonometrical , and In- ftrumental , as it is commonly taught in Schools , and practifed at Sea ...
Side 3
... first take more than half the Distance A B , and with one Foot in A , fweep an Arch ; then with the fame Diftance , and one Foot in B , draw another Arch to cross the aforefaid Arch in the Points d and e ; then with more than half the ...
... first take more than half the Distance A B , and with one Foot in A , fweep an Arch ; then with the fame Diftance , and one Foot in B , draw another Arch to cross the aforefaid Arch in the Points d and e ; then with more than half the ...
Side 4
... first fhew in the following Cafes , and then proceed to fhew how it may be done without . AXIOM " AXIOM I. In all right - angled Plane Triangles , 4 The Conftruction of the Sines , & c . Chap . I. Sect Oblique Trigonometry Geometrical A ...
... first fhew in the following Cafes , and then proceed to fhew how it may be done without . AXIOM " AXIOM I. In all right - angled Plane Triangles , 4 The Conftruction of the Sines , & c . Chap . I. Sect Oblique Trigonometry Geometrical A ...
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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
againſt alfo anſwer Bafe becauſe Cape Chord Column Compaffes confequently Courfe and Difference Courſe and Diſtance Cyphers Degrees demand the Courfe Dep Lat Dep Departure given Diff Difference of Latitude Difference of Lon Difference of Longitude Dift draw the Line Eaft faid fame fecond fhall find the Courfe firft firſt fo Sine fome ftance fubtract fuppofe given Number half Hypotenufe Interfection laft Lat Dep Lat Lati Latitude 50 Latitude and Departure leffer Longitude given meaſured Mercator's Sailing Merid Meridian Meridional Difference Middle Latitude Sailing Miles Minutes Sine muſt North obferve Parallel Parallel Sailing parture Perpendicular Plane Sailing Arithmetical Plane Triangles Point proper Difference Proportion Queftion Quotient Radius reft reprefent Right-angled RULE Secant Minutes Ship fails Ship in Latitude Side AC Side oppofite Sine Comp Sine Complement Sine Tangent South Square Sun's Table Tangent Secant thefe theſe tude uſe Weft ΙΟ
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.