Collection of works of academician A . N. Krylova . T. 2. Compass business" is a unique work of an outstanding Russian scientist and academician who left a deep mark in the field of mechanics and control theory. A. N. Krylov, known for his significant achievements in mathematics and physics, in this volume invites readers to plunge into the world of exact sciences, where each page is filled with knowledge and discoveries that remain relevant to this day. The second volume of “Collections of Works” is devoted to the compass case an important topic that covers not only theoretical aspects, but also practical applications. Krylov considers issues related to navigation, coordinate determination and use of compasses in various conditions. His in-depth analysis and original approaches to solving problems make this book an indispensable source of information for students, graduate students and anyone interested in navigation and geodesy. Who can like this edition? First of all, it will be interesting for students and teachers of technical and natural sciences specialties, as well as for everyone who seeks to expand their knowledge in the field of mechanics and navigation . If you are interested in physics, mathematics or engineering, then this volume will be a real find for you. In addition, the book can attract the attention of historians of science who want to study the development of navigation technologies and methods in Russia. The topics raised in "Compassion" cover a wide range of issues - from theoretical foundations to practical recommendations. Krylov not only explains how compasses work, but also shares his observations on how various factors can affect their accuracy. He discusses the effects of magnetic fields, atmospheric conditions, and even the human factor on navigation. This makes the book relevant not only for scientists, but also for practitioners working in the field of geodesy and navigation. Style A. N. It is clear and logical .. He masterfully combines theory with practical examples, which allows the reader not only to understand complex concepts, but also to see their application in real life. His works are distinguished by deep analysis and a desire for accuracy, which makes them valuable for the scientific community. Krylov is also known for his other works, such as Fundamentals of Mechanics and Theory of Oscillation, which have earned recognition for their scientific rigor and accessibility. "Collection of works of academician A. N. Krylova . T. 2. Compass business" is not just a book, but a whole world of knowledge that opens the doors for readers to the fascinating world of science. It inspires research and experimentation, encourages reflection on how our ancestors coped with navigation tasks and how modern technology continues to evolve based on their discoveries. If you are looking for a deep and meaningful reading that will not only expand your knowledge, but also give you new ideas for reflection, then this volume should definitely take its rightful place on your bookshelf. Do not miss the opportunity to touch the heritage of the great scientist and discover the secrets of the compass business, which remain relevant to this day.