This book, "Tables and formulae useful in surveying, geodesy, and practical astronomy including elements for the projection of maps, and instructions for field magnetic observations. 1", by Thomas Jefferson Lee, is a replication of a book originally published before 1873. 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.