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 Navigation
Printed, at the Oriental Press, by Wilson & Company Wild Court, for R. Faulder, New Bond-Street., 1801 - Nautical astronomy - 383 pages
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11 Hours 9 Hours according added Alti amplitude apparent altitude applied argument calculation circle column computed contained correction Cosecant D.100 Cosine Double-cosine Cosine Secant Sine Cotangent Tangent declination Degrees Diff difference dift diſtance Double-cosine D.100 Double-cosine Secant error Example figures firſt Firſt Second give given greater Greenwich horary angle horizontal parallax interval laſt latitude logarithmic longitude lower limb means minutes Moon muſt Nautical Almanac noon obſerved altitudes Problem Proportional reduced refraction right aſcenſion rules Second Second First Second ſemidiameter ſhip ſine Sine Cosecant ſtar ſubtracted ſum Sun's ſuppoſed taken Tangent Cotangent theſe true altitude tude uſed Variation verſed-line Versed-sine D.100 watch weſt бо Іоо оо ооо тоб ܕܘ ܘ ܕܘ ܘ ܕܘ ܘ
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.