In this post, we will see the book Sounds and Signs by A. Kondratov.

About the book
In this post, we will see the book Sounds and Signs by A. Kondratov.

About the book
In this post, we will see the book How people discovered the Shape of the Earth by A. Tomilin.

The book was translated from the Russian to English by Diana Miller. The wonderful illustrations are drawn by Yuri Smolnikov. The English version book was published by Raduga in 1984. The Hindi version was translated by Yogendra Nagpal and was published by Raduga in 1986 and then by People’s Publishing House.
The original scan was done by Guptaji (linked below) we cleaned and OCRed the scan. Though the resolution is not as good. There is a Hindi (black and white) scan from the Digital Library of India.
Gujarati version here and here
In this post, we will see the book Neuropathology for Everyone by K. G. Umansky.

About the book
The author, Professor K. G. Umansky, is a neuropathologist of high repute with many years of research and practice in this field of medicine and a wide knowledge of the neuropathological problems so often encountered in today’s stressed world. In this book he acquaints the general reader, in an easily understood and readable form, with the most frequent disorders of the nervous system and their treatment. Among them are insomnia, headache, sciatica and lumbago, certain trauma-induced diseases of the nervous system, infectious diseases (such as encephalitis, poliomyelitis, meningitis, etc.), disturbances of cerebral circulation (high pressure, stroke, etc), and several other disturbances of the nervous system. He examines the main causes of these diseases and gives advices on how to recognize the signs of such diseases in oneself. In a world where people look upon drugs as the universal cure for every ailment, and where drug abuse often leads to dangerous consequences, Profes sor Umansky reminds us of old, forgotten remedies that are both effective and harmless. He also gives advice on simple preventive measures. This book is intended for the general public.This book is not a manual on nervous disorders and not a universal reference book for every emergency. It tells its readers about neuropathology—one of the main branches of medicine, that is very closely connected with all the other spheres of medical knowledge.
In this post, we will see the book Symmetry in the World of Molecules by I. S. Dmitriev.
This booklet is devoted to one of the most important concepts of natural science, the concept of symmetry. The beneficial impact of the symmetry theory can be traced in the theory of elementary particles, crystallography, solid state physics, space and time theory, molecular biology, quantum chemistry, the study of arts, the theory of music as well as many branches of mathematics.Since many things are necessarily omitted even in a large monograph, this is all the more so in a small unpretentious booklet. Our narration does not cover transpositional symmetry, solid state theory and nu merous problems pertaining to application of symmetry theory to organic chemistry. This booklet deals primarily with spatial symmetry of molecules.The study of any theory is to a certain extent similar to the learning of a foreign language. While some peo ple learn it in order to write and speak fluently, others are satisfied with the understanding of foreign texts even if using a dictionary. The same is true in the case of a theory. While some people learn it very comprehensively in order to work actively in the area, it is sufficient for others to understand the language of theorists and the substance of their conclusions. This book is intended for the latter group, who are much more numerous than the former. This booklet is intended just for them. We address it to experimental chemists, teachers, university students and even high school senior students.The symmetry theory is usually applied to the specific problems of physics and chemistry when non- algebraic objects such as atoms, molecules, solids are studied with algebraic methods. Therefore some readers will probably need to overcome certain barriers of mathematical reasoning.The general logical plan of the booklet is as follows. The first chapter has a narrative nature and is dedicated to the description of the major types of molecular symmetry. The second chapter may be considered as a mathematical model of the first. The next two chap ters are devoted to problems of the interrelation between the composition, geometry and electronic structure of molecules (Chapter 3) and chemical reactions(Chapter 4). The final fifth chapter is of an historic and methodological character.
In this post, we will see the book Essays About the Universe by Boris A. Vorontsov-Vel’yaminov.

This book by a prominent Soviet astronomer and imaginative interpreter of the history and latest knowledge of astronomy, an age-old science that has come through two shattering decades of exciting discovery and research, can be dubbed a popular encyclopaedia of astronomy. It is a vivid and fascinating account of almost all the celestial bodies with which astronomy is concerned: planets, comets, meteors, the Sun and stars, gaseous and dust nebulae, quasars, black hole., etc. The tome is lavishly illustrated throughout with a mixture of photographs and specially commissioned artwork in full colour. The book will appeal to the general reader with no astronomical and mathematical background, fascinated by the wonders of the Space Age.
The book has two major sections, the first deals with Solid matter, that is the planets (minor and major), comets and meteors. The second part deals with the gaseous state which includes stars, nebulae, galaxies, interstellar matter. Mathematics is avoided as much as possible with the main emphasis on explaining the physical meaning of the concepts and their implications to the reader. The book covers an impressively wide range of topics in astronomy starting from the basics to topics of cutting-edge research.

Update: 27 July 2024 New cleaned scan added
In this post, we will see the book Structural Mechanics by A. Darkov and V. Kuznetsov.
The book deals with a variety of structures and their stability from an engineering viewpoint. The structures discussed include arches, frames, trusses, roofs, retaining walls, bridges, columns and beams.
The book was translated from the Russian by B. Lachionov and the second edition was published by Mir in 1966.
All credits to the original uploader. The scan is a low-resolution one.
In this post, we will see the book Physiology for Everyone by B. F. Sergeev.

Our planet, the Earth, is the home of hundreds of thousands of living creatures. Life has permeated everywhere. It has ascended to the tops of the highest mountains, where there is hardly any air, and has hidden beneath the expanses of the oceans, reconciling itself to the tremendous pressures exerted by the waters. Life has come to the hot, arid desert; and to the eternal ice of the Arctic Living creatures have adapted themselves to an absence of oxygen, to everlasting gloom, and to silence. But, wherever living organisms have settled, they need food which has to be distributed throughout their bodies, and they have to carry out the processes of metabolism. They also need to feel at home in their environment and start families to ensure the survival of the species.This book will tell you about Nature’s amazing inventions which have made it possible for animals to populate our Earth, dealing as it does with live lanterns, radars, animal power stations, the mysteries of digestion, the automatism of the circulation of the blood, which is the body’s most perfect transportation system, the structure of photo- and audio-receptors the mysterious third eye, the secret workings of the brain, and the peculiarities of reproduction.Man has barely started to become familiar with Nature’s ingenious fantasy, but he is already getting to grips with the process of evolution and making use of all Nature’s treasures and inventions. The aim o this book is to call the reader’s attention to the endless horizons of the science of living beings.