The book "Admissions and landings in instrument making" by A. C. Smirnova is an indispensable source of knowledge for all who are interested in the intricacies of designing and manufacturing devices. In a world where accuracy and reliability play a key role, this publication becomes a real guide to the complex but fascinating world of tolerances and landings. Smirnov, having many years of experience in the field of instrumentation, shares with readers his knowledge and practical recommendations that will help not only students of technical universities, but also experienced engineers and specialists. The book covers a wide range of topics, ranging from the basics of tolerance theory to their application in real production conditions. The reader will be able to learn how to choose the correct tolerances for various parts, what factors affect their accuracy and how to minimize errors in the design process. This book will be interesting not only for those who already work in the field of instrumentation, but also for those who are just starting their way in this profession. Technical students, graduate students and young professionals will find here a lot of useful information that will help them better understand how complex devices are designed and manufactured. Engineers involved in the development of new technologies will also appreciate practical tips and examples that will help them avoid common mistakes. Topics raised in the book cover important aspects such as standardization, quality control, and the impact of tolerances on instrument performance. Smirnov focuses on how to correctly select tolerances for various materials and operating conditions, which is critical for ensuring the reliability and durability of products. Readers will be able to better understand how tolerances affect production processes and the end result, making the book especially valuable for professionals seeking to improve their skills. The author's style is distinguished by clarity and accessibility of presentation, which makes it easy to assimilate even the most complex concepts. Smirnov not only lists theoretical aspects, but also supports them with practical examples from his rich professional practice. This makes the book not only a textbook, but also an interesting read for anyone who wants to deepen their knowledge in the field of instrumentation. In addition, "Acceptances and Landings in Instrumentation" can be an excellent addition to the library of any engineer or student studying related disciplines, such as mechanics, materials science, and engineering technology. The book will be a useful resource for those who are looking for information about modern design methods and production processes. If you are looking for high-quality literature on tolerances and landings, then this publication will be your reliable assistant. It will not only expand your knowledge, but also inspire new achievements in the profession. Discover the world of precision and quality with A. C. Smirnov and his book "Admissions and landings in instrument making"!