The book "Scientific-popular supplementary page of Scientific American, No. 648, June 2, 1888" is a collection of interesting scientific articles that reveal advanced achievements and discoveries of world science at the beginning of the XIX century. In this edition, you will find materials from various fields of science - from physics to biology, from chemistry to technology. The authors of the articles are scientists from different countries who share their research and discoveries with readers. By reading this issue of the Scientific American Supplement, you will deepen your knowledge of modern discoveries in science and technology of the 19th century. The book will be a useful source of information for everyone who is interested in scientific achievements and wants to learn more about the development of science in the nineteenth century.