The book "Scientific American Supplement, No. 717, September 28, 1889" is a collection of scientific articles that cover a wide range of topics from various fields of knowledge. In this publication, readers will be able to familiarize themselves with the latest research and discoveries made by scientists at the end of the 19th century. The authors of the articles are recognized experts and specialists from different countries of the world who share their knowledge with readers. "Scientific American Supplement" is known for its objectivity and high quality content. This publication emphasizes scientific accuracy and detail, making it a reliable source of information for anyone interested in science and technology. Each article is supplemented with conclusions and a summary, which helps readers better understand the material. "Scientific American Supplement, No. 717, September 28, 1889" is not only a collection of scientific articles, but also a window into the past, which allows us to see how humanity reached scientific heights in the 19th century. This book will be a useful source of knowledge for all truth seekers and science lovers.