MDCLXXXVII. Cambridge ephemeris. An almanack of coelestiall motions and configurations for the year of the Christian epocha 1687 : being (in our account) leap year and from the [brace] creation of the world 5636, constitution of the Julian year 1731, suffering of the Christ 1654, correction of the celend by P. Greg 105, beginning of the reign of our soveraign Lord James II 03 ... calculated for longitude 315. gr. and latitude 42. gr. 30. min. North.
Williams, William, 1665-1741. | Date: 1687