The book "Scientific American Supplement, No. 611, September 17, 1887" was created by a team of authors. This edition contains interesting articles from various fields of science that were relevant at the beginning of the end of the 19th century. The publication contains information about the inventions of that time, reviews of scientific research, analytical materials and reports from different parts of the world. Readers will have the opportunity to better understand the technological and scientific achievements of the era, familiarize themselves with the historical context and delve into the atmosphere of scientific progress of the 19th century. "Scientific American popular science application" will open before you the fascinating world of science and research, which became an important reflection of the intellectual atmosphere of that time.