An address before the Section of Mathematics and Astronomy of the American Association for the Advancement of Science at the Buffalo meeting, August, 1886. This book, "An address before the Section of Mathematics and Astronomy", by J. Willard Gibbs, is a replication of a book originally published before 1886. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.