The safety of the nation showing how our security rests upon our industries. This book, "The safety of the nation showing how our security rests upon our industries", by Ian Duncan Colvin, is a replication of a book originally published before 1919. 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.