Ephemeris britannica: or, An astronomical state of the heavens, for the year of our Lord, 1715 [electronic resource] : Containing the planets diurnal motions, their aspects, eclipses, and visible transits. Also the transits, or passages of many principal fix'd stars, with their right-ascensions, and declinations. The immersions and emersions of the first satellite of Jupiter, and their use in finding the difference of longitude. Also a method of rectifying the pendulum by the fix'd stars. With many more particulars recommended to our able mariners, and other concern'd in astronomical observations. Calculated for the meridian of London By G. Kings[lly], gent.