From the website of the American Council of Learned Societies: The Bibliographical Society of America (BSA) is the only scholarly society in the United States whose primary focus is the study of books and manuscripts as physical objects. It was organized in 1904 and incorporate

This follows the previous post which discussed the Celestial Co-ordinate System. If we wish to use a celestial body's position in the celestial sphere to help us to navigate on the Earth's surface, we must be able to translate that body's celestial co-ordinate position into a geographical position expressed in terms of our earthbound geographical…