The Boston ephemeris, an almanack of coelestial motions of the sun & planets, with some of the principal aspects for the year of the Christian aera MDCLXXXVI; being in our account the third after leap-year, and from the creation 5635; the vulgar notes of which are . calculated for and fitted to the meridian of Boston in New-England, where the North Pole is elevated 42. gr. 21m.
Photocopy "made from a negative of the copy belonging to the Massachusetts Historical Society," 1954? At head of title: 1686. Mode of access: Internet.