Scientific American Supplement, No. 620, November 19,1887

"Scientific American Supplement, No. 620" by Various is a late 19th-century scientific journal that presents a collection of articles across the spectrum of science, engineering, and technology, embodying the spirit of industrial progress of that era. The supplement starts with a comprehensive table of contents, listing subjects from architectural design to chemistry, engineering innovations, and sanitation practices. Early articles emphasize key themes, such as the historical architecture of Bristol Cathedral, and celebrate the inventive genius of Oliver Evans and his impact on steam engine technology, thereby spotlighting American innovation within the broader historical context. The text features articles describing inventions of the time, from advancements in material processing machinery to developments in electrical engineering, providing a detailed look into the technological world of the late 1800s.