Scientific American Magazine
Volume 17, Issue 18You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Single-Needle Knitting Machine, Period of the Growth of Man
Editorial Correspondence
A New Theory of Chemistry--The Galvanic Battery Dissected, and Speculations Concerning Ozone
Editorial Summary
Meyer's Safety Saddle
Progress of the Pacific Railroad--The System Adopted for Laying the Track
Manufacturing, Mining, and Railroad Items
Recent American and Foreign Patents
Extension Notice
Answers to Correspondents
Science Familiarly Illustrated
White's Improved Monkey Wrench
The Largest Pair of Propeller Engines in the World
American Institute Fair
The Relative Economy of Anthracite and Bituminous Coal in Steam Boilers
Malleable Qualities of Lead
Official Report of Patents and Claims
New Publications
Pending Applications for Reissues
Departments
Correspondence
Business and Personal
Patents
