A practical workshop companion for tin, sheet iron, and copper plate workers. Containing rules for describing various kinds of patterns used by tin, sheet iron and copper plate workers; practical geometry; mensuration of surfaces and solids; tables of the weights of metals, lead pipe. This book, "A practical workshop companion for tin, sheet iron, and copper plate workers," by Leroy J. Blinn, is a replication of a book originally published before 1866. 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.