Swan. : A new almanack for the year of our Lord God 1680. : Being the bissextile or leap-year, and from the creation of the world at the spring 5683 years compleat. : Wherein is shewed the principal aspects of the planets, with other cœlestial observations, the beginning and ending of Cambridge terms. : with other things of note in the University. : Calculated properly for the famous University and town of Cambridge, where the pole is elevated 52 deg and 17 min. above the horizon | Collections | The Huntington

Swan. : A new almanack for the year of our Lord God 1680. : Being the bissextile or leap-year, and from the creation of the world at the spring 5683 years compleat. : Wherein is shewed the principal aspects of the planets, with other cœlestial observations, the beginning and ending of Cambridge terms. : with other things of note in the University. : Calculated properly for the famous University and town of Cambridge, where the pole is elevated 52 deg and 17 min. above the horizon | Collections | The Huntington