This book, "Modern navigation by Sumner-St. Hilaire methods the first published works devoted exclusively to the elucidation of this subject, now so generally used in the U.S. navy. 7", by Frank Seymour Hastings, is a replication of a book originally published before 1918. 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. This book was created using print-on-demand technology. Thank you for supporting classic literature.