Popular Science Supplement to Scientific American, No. 392, July 7, 1883, is a fascinating collection of articles by various authors. In this issue, readers will have the opportunity to familiarize themselves with updates in a wide variety of fields of science, including physics, chemistry, biology and technology. The authors consider current problems and achievements of their time, make apt observations and conclusions that make this application an invaluable source of knowledge for anyone interested in science and technology of the 19th century. Thanks to this book, readers will have the opportunity to deepen their knowledge and explore interesting aspects of the scientific world of the past.