The book "Agricultural Tools and Machinery in the Collection of the National Museum of History and Technology. Smithsonian Institution Research and Technology, #17" by John T. Schlebecker is a fascinating study devoted to the study and analysis of the development of agricultural tools and machinery. In this book, the reader will find a detailed description of various tools that were used in agricultural production during different historical periods. The author reveals the history of development and technological progress in agriculture through the prism of the development of agricultural machines and tools. In particular, the book examines in detail the types of machines that helped farmers with agricultural work, including plows, coulters, reapers and other tools. "Agricultural tools and machines in the collection of the National Museum of History and Technology" is not only an interesting source of knowledge about the history of agricultural technology, but also a valuable guide for students, scientists and all those interested in the development of agricultural production.