The book "Scientific American Supplement, No. 647, May 26, 1888" is a publication that is a collection of scientific articles published in Scientific American in May 1888. In this issue, readers will find interesting materials about new discoveries and achievements in various fields of science and technology. The authors of various articles share their research and discoveries, draw conclusions and try to solve the complex problems of their time. This book will allow the reader to better understand the scientific achievements of the 19th century, and will also enable to step by step discover the world of science and technology of that time.