The book "Scientific American Supplement, No. 623, December 10, 1887" is a publication that offers readers a unique opportunity to delve into the leading scientific discoveries and research of the end of the 19th century. In this issue, the authors cover a wide range of topics: from the latest discoveries in physics and chemistry to interesting information about the new technologies and inventions of the time. Thanks to the laconic informational style and analytical approach to the presentation of the material, readers can expand their knowledge about the world around them. "Scientific American popular science supplement" is a reliable guide to the world of science and technology, which will interest a wide range of readers.