The book "Scientific American. Supplement, No. 430, March 29, 1884" is a publication that contains interesting and relevant scientific articles, publications and news of the period. The authors of this collection are various scientists and specialists who share their research and discoveries with readers. Thanks to this edition, readers can learn about the latest achievements in various fields of science, engineering and technology of the end of the 19th century. "Scientific American. Supplement, No. 430" is a valuable source of information for anyone interested in science and its development in the past.