"Scientific American Supplement, No. 303, October 22, 1881" is a publication containing unique articles from various branches of science. In this issue you will find interesting materials about new achievements in physics, chemistry, biology and other fields. The authors of the texts are scientists and specialists from all over the world who share their research and discoveries. This publication will help you deepen your knowledge about the world around us and discover new aspects of science. The Scientific American Supplement is a reliable source of information for anyone interested in modern scientific discoveries and technology.