The Mechanism of the Linotype is a practical treatise on the operation of a linotype. The original work was done by John S. Thompson. This is the revised eleventh edition by E. M. Keating published in 1934 by The Inland Printer Company. It is signed by E. M. Keating. The book is in good condition with a tight binding and all pages secure. The previous owner has signed his name on the first page. There are some pencil notes in the book.