What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
Altitude apparent Astronomer Royal Board of Longitude Calculations COCO Commissioners computed corrected Declination Diff Digits eclipsed Distance Eclipses of Jupiter's Emersions Ephemeris Equation GEORGIAN Greenwich H. M. S. Days Hour John Pond Jupiter's Satellites Longitude at Sea Mayer's Method Midn Midnight Month Moon Moon's Latitude Moon's Longitude Motion Nautical Almanac NEVIL MASKELYNE Node Noon Number observed Parallax Passage Merid passing the Meridian Planets Proportional Logarithm Quarter r^co r^tO Requisite Tables Reward or Sum Royal Observatory Samuel Vince Satellites of JUPITER Semi Semidiameter sirst Difference sixt Stars subtract Sun's Longitude Sun's right Ascension Sunday after Trinity sussicient Telescopes TOBIA MAYER toco true Longitude
Page 166 - Tables of Logarithms of all Numbers, from 1 to 101000, and of the Sines and Tangents to every Second of the Quadrant...
Page 41 - F Sa Su M Tu W Th F Sa Su M Tu W Th F Sa Su M Tu W Th F Sa Su...
Page 153 - Satellite being carefully observed in any Place according to mean Time, the Longitude from Greenwich is found immediately by taking the Difference of the Observation from the corresponding Time shown in the Ephemeris, which must be turned into Degrees, &c. by...
Page 151 - Chair proposed for this purpose, but could not derive any advantage from the Use of it; and, considering the great power requisite in a Telescope for making these Observations well, and the Violence as well as Irregularities of the Motion of a Ship, I am afraid the complete Management of a Telescope on Shipboard will always remain among the Desiderata.
Page 149 - Correction, which added to, or subtracted from the apparent Time (according to its Title at the Top of the Column) gives equated or mean Time, or that which should be shown by a good Clock or Watch.
Page 153 - To know if an Eclipfe will be vifible in any place, find whether Jupiter be 8° above the Hori2on of the Place, and the Sim as much below it.