Mechanism Encyclopedia Revised and Abridged Edition of "Fundamentals of Machines" Edited by Shigeru Ito Rigaku Tosho Publishing A book that deepens understanding with easy-to-understand diagrams and explanations! There are stains on the outer cover. The inside is in good condition with no writing, etc. For those who understand that this is a used item. Thank you very much. Free shipping, sent via anonymous delivery.