Table of contents
Books
Business and Personal
Notes and Queries
Index
Patent Notes
Top of page
Top of pageArticles
What the Doctors Say about Bicycle Riding - p320
doi:10.1038/scientificamerican11221884-320a
Improved Water Softening Apparatus - pp323 - 324
doi:10.1038/scientificamerican11221884-323
Otto Gas Engines at the Philadelphia Electrical Exhibition - p326
doi:10.1038/scientificamerican11221884-326
New Grip System for Electric Railroads - pp326 - 327
doi:10.1038/scientificamerican11221884-326a
The Harden Hand Grenade Fire Extinguisher - p328
doi:10.1038/scientificamerican11221884-328