The book "Hydraulic calculations . H. I. Calculation and selection of pumps and fans by Mikhail Ivanovich Vedernikov is a valuable resource for anyone interested in hydraulic systems and their calculations. Vedernikov, an experienced engineer and teacher, shares his knowledge and practical experience, which makes this book an indispensable tool for both students and professionals in the field of hydraulics and mechanics. In the first part of his work, the author examines in detail the basic principles and methods of calculating pumps and fans, which is a key aspect of the design and operation of various systems. The book begins with the basics of hydraulic calculations, gradually deepening into more complex topics, such as the choice of equipment depending on specific operating conditions. Vedernikov emphasizes the importance of the correct choice of pumps and fans, as this directly affects the efficiency of the entire system. The reader will be able to learn about the different types of pumps, their characteristics and applications, as well as how to correctly assess the needs of the system and choose the most suitable equipment. This book will be especially useful for engineering students studying hydraulics and mechanical engineering, as well as practicing engineers working in the design and operation of pumping and ventilation systems. If you are looking for information on how to correctly calculate the pump for your project or how to choose a fan for the ventilation system, then Vedernikov’s Hydraulic Calculations will become a desktop book for you. The topics raised in the book cover a wide range of issues related not only to theory, but also to the practical aspects of working with pumps and fans. The author shares his observations and recommendations based on many years of experience, which makes the material accessible and understandable even for those who are just starting their way in this area. Vedernikov also pays attention to modern trends in hydraulics, which allows the reader to be aware of current technologies and methods. The style of Mikhail Ivanovich is distinguished by clarity and logical presentation . He skillfully combines theoretical aspects with practical examples, which makes reading not only useful, but also fascinating. Vedernikov is the author of several other works on hydraulic calculations and mechanics, which also deserve attention. His approach to learning and knowledge transfer allows readers to easily assimilate complex concepts and put them into practice. If you are interested in topics such as pump station design, ventilation equipment selection or hydraulic system optimization, then “Hydraulic calculations. H. I. Calculation and selection of pumps and fans" will be a real discovery for you. This book will not only enrich your knowledge, but will also help you become a more confident specialist in your field. Do not miss the opportunity to get acquainted with the work of Vedernikov and take a step towards a deeper understanding of hydraulic processes and their application in real life.