Scientific American Supplement, No. 643, April 28, 1888

"Scientific American Supplement, No. 643, April 28, 1888" by Various is a compilation of scientific articles from the late 1800s. The collection explores a wide array of subjects, from the mysteries of ancient Indian temples to the complexities of how poisons affect living organisms. The content offers spotlights on civil engineering innovations like concrete improvements and locomotive advancements. The document serves as a glimpse into the scientific curiosity and progress of the era.