Table of contents
Inventions
Business and Personal
Notes and Queries
Books
Index
Patent Notes
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Top of pageArticles
Railroad Collisions and Their Preventives—Room for Invention - p112
doi:10.1038/scientificamerican02251882-112a
Apparatus for Extracting Ammonia from Gas Liquors - p114
doi:10.1038/scientificamerican02251882-114
How Dwelling Houses are Poisoned - pp120 - 121
doi:10.1038/scientificamerican02251882-120