Scientific American Supplement, No. 611, September 17, 1887

Published on September 17, 1887, the 'Scientific American Supplement, No. 611' is a periodical featuring various articles on advancements in technology, engineering, and chemistry from the late 19th century. It covers topics such as electric railways, a hygienic disinfector, and a biography of Philip Lebon, a pioneer of gas lighting. This supplement reflects the significant scientific and technological developments of its time, providing insights into contemporary practices and innovations that shaped society during this era.