A Dissertation Upon The Phaenomena Of The Harvest Moon: Also, The Description And Use Of A New Four Wheeled Orrery (1747) is a book written by James Ferguson. The book is a comprehensive study of the Harvest Moon, a phenomenon that occurs when the full moon rises closest to the autumnal equinox. The author provides an in-depth analysis of the causes and effects of this natural occurrence, as well as its cultural and historical significance. In addition...