[Ep]hemeris Britannica: or, an [as]tronomical state of the heavens; [for] the year of our Lord 1717 : Containing [the] planets diurnal motions, their as[pe]cts, eclipses, and visible transits. ... the transits, or passages of many princi[pa]l fix'd stars. ... Immersions and emersions of the first [sa]tellite of Jupiter, and their use in finding the [...]ference of longitude. ... a method of rectifying the pendulum. ... many more particulars recommended to ... able mariners, and others concern'd in astrono[mic]al observations. [Calcu]lated for the meridian of London. ... George Kingsley.