Tables for Facilitating the Calculations of Nautical Astronomy,: And Particularly of the Latitude of a Ship at Sea from Two Altitudes of the Sun, and that of the Longitude from the Distances of the Moon from the Sun Or a Star; Containing the Natural Versed-sines to Every 10 Seconds, and the Logarithmic-sines, Double-sines, Versed-sines, &c. to Every Minute from 0 to 180 Degrees; and Several Other Tables, Useful in Astronomy and NavigationPrinted, at the Oriental Press, by Wilson & Company Wild Court, for R. Faulder, New Bond-Street., 1801 - Nautical astronomy - 383 pages |
From inside the book
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Page vii
... Refraction and Parallax , by HENRY CAVENDISH , Esq . F. R. S .; and I avail myself of the present opportunity of acknowledging the many ob- ligations I have to that learned Gentleman , for his readiness in giving me his advice ...
... Refraction and Parallax , by HENRY CAVENDISH , Esq . F. R. S .; and I avail myself of the present opportunity of acknowledging the many ob- ligations I have to that learned Gentleman , for his readiness in giving me his advice ...
Page ix
... Refractions of the Heavenly Bodies to the actual Weight and Temperature of the Atmosphere 6 . VI . Semi - diameters of the Moon 8 VII . Parallaxes less the Refraction of the Moon 9 VIII . Corrections to be applied to the horizontal ...
... Refractions of the Heavenly Bodies to the actual Weight and Temperature of the Atmosphere 6 . VI . Semi - diameters of the Moon 8 VII . Parallaxes less the Refraction of the Moon 9 VIII . Corrections to be applied to the horizontal ...
Page xi
... Tables for clearing the Apparent Distances of the Moon from the Sun or a Star , from the Effects of Parallax and Refraction . - By H. CAVENDISH , Esq . F , R. S. . 303 EXPLANATION and USE OF THE TABLES ; WITH PROBLEMS and.
... Tables for clearing the Apparent Distances of the Moon from the Sun or a Star , from the Effects of Parallax and Refraction . - By H. CAVENDISH , Esq . F , R. S. . 303 EXPLANATION and USE OF THE TABLES ; WITH PROBLEMS and.
Page 5
... Refractions of the Heavenly Bodies , and Refractions lefs the Sun's Parallax . By an effect of the refraction which the rays of light fuffer , in their pas- fage through our atmosphere , the heavenly bodies appear higher than they ...
... Refractions of the Heavenly Bodies , and Refractions lefs the Sun's Parallax . By an effect of the refraction which the rays of light fuffer , in their pas- fage through our atmosphere , the heavenly bodies appear higher than they ...
Page 6
... Refraction — parallax for 21 ° - 21 ° . 47 ′ 33 ′′ - 2. 19 " Proportional part for 47 ' , and 13 " difference + o . 6 Altitude corrected of refraction and parallax 2.13 21.45.20 The fame tables may be used to determine the apparent ...
... Refraction — parallax for 21 ° - 21 ° . 47 ′ 33 ′′ - 2. 19 " Proportional part for 47 ' , and 13 " difference + o . 6 Altitude corrected of refraction and parallax 2.13 21.45.20 The fame tables may be used to determine the apparent ...
Common terms and phrases
11 Hours 59 Sine 9 Hours Alti amplitude anfwering apparent altitude argument cofec correfponding Cosecant Cosine Double-cosine Cosine Double-cosine Secant Cotangent Tangent D.100 CT Sine Double-sine D.10 Double-sine Degrees Diff difference dift Double-cosine Secant D.100 Double-sine Cosecant Cosine Double-sine Cosecant D.100 error Example fame Name feconds fhip figns Firft firſt ftar fubtracted fun's fuppofed latitude Greenwich Half-fum increaſed interval laft leffer altitude lefs logarithmic cofine longitude lower limb meridian altitude meridian zenith diſtance minutes Moon Moon's horizontal Parallax muſt Nautical Almanac neareſt noon obferved altitude Problem Proportional refraction right afcenfion Second First Second ſhall ſhip Sine Cosine Double-sine Sine Double-sine Cosecant Sine Double-sine Secant ſtar Sun's declination Tangent Cotangent D.100 theſe true altitude tude uſed val Longi val val Variation Versed-sine D.100 watch weft ΙΙΟ ΙΟ ΙΟΙ ΤΟ бо
Popular passages
Page xi - Investigations relative to the Problem for clearing the apparent Distance of the Moon from the Sun or a Star, from the Effects of ^ Parallax and Refraction, and an easy and concise Method pointed out.
Page 27 - Add the sun's declination to the elevation of the equator, if the latitude of the place, and the declination of the sun, are both on the same side.
Page 36 - The interval between that reduced time and the given day will give the correction which is to be applied * to the time of high water at full and change of the...