Table of contents
December 24, 1881, Volume 45 No 26 pp399-411
About the coverInventions
Business and Personal
Notes and Queries
Index
Top of page
Top of pageArticles
Proposed New System of Waterworks for Chicago - p399
doi:10.1038/scientificamerican12241881-399
New Worm and Worm Wheel and Gear Cutter - p406
doi:10.1038/scientificamerican12241881-406