Scientific American Supplement, No. 286, June 25, 1881

''Scientific American Supplement, No. 286, June 25, 1881'' is a scientific periodical featuring various authors and published in the late 19th century. It covers advancements in engineering, mechanics, electricity, natural history, and medicine, showcasing the industrial and scientific growth of the era. Notable topics include the construction of a one-thousand horse-power Corliss engine and reports on petroleum and coal resources in Venezuela. The supplement emphasizes the integration of practical experience with theoretical knowledge in engineering training, reflecting the transitional spirit of the industrial age.