Mechanical integrators including the various forms of planimeters This book, "Mechanical integrators including the various forms of planimeters", by Henry S. H. Shaw, is a replication of a book originally published before 1886. 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.