A complete key to Gummere's Surveying in which the operations of all the examples, not solved in that work, are exhibited at large principally designed to facilitate the labor of teachers and to assist those who have not the opportunity of their instruction. This book, "A complete key to Gummere's Surveying", by Samuel Alsop, is a replication of a book originally published before 1841. 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.