The book "Popular Science Supplement to Scientific American, No. 460, October 25, 1884" is a source of high-quality information on various fields of science. This publication presents interesting articles and scientific reports that open new horizons of knowledge to the reader. The written word of this book eloquently demonstrates the progress in the development of science and technology at the beginning of the end of the 19th century. The authors and editors of Scientific American Supplement work for the benefit of science, spreading useful knowledge to a wide range of readers.