Mayo, A. D. The Balance: or Moral Arguments for Universalism. Boston: B. B. Mussey and A. Tompkins, 1847. 
Green cloth decorated in blind & gilt, gilt rubbed with some loss, small 3 x 4 1/2 inches, all page edges gilt, yellow waxed end papers, 155 pp. plus 4 pp. adverts, tight. Light foxing, rear cover with light water-wrinkling to cloth. Good. Hardcover.
"In the following discourses we have endeavored to present, in a popular manner, the moral argument for Universalism...We have...confined ourselves to the argument from the Spirit of the New Testament, the Paternity of God, and the facts of Human Nature." - Preface.
Amory Dwight Mayo (1823-1907), b. Warwick, MA; d. District of Columbia. He was a Universalist minister, said to have been friends with Longfellow and Whittier. He was for thirty-five years a nonresident professor of administration and church polity at Meadville Theological School. He was a leader of the Christian Amendment movement with the goal of having the Bible taught in public schools. In the 1880's he was associate editor of the New England Journal of Education and chief editorial writer for the National Journal of Education. His first wife, who died in 1848, was a noted literary figure, Sarah Carter Edgarton Mayo.