Scientific American Magazine
Volume 42, Issue 8You are currently logged out. Please sign in to download the issue PDF.
Features
“How Steel Hardens”
Mr. Converse's Patent Bill
Artificial Ice Skating Rink, New York.
Approximate Economy of Gas and Electric Lighting
Why the Thunderer's Gun Burst
The Corundum Mines of North Carolina
Improved Revolving Derrick
New Egg Beater
New Agricultural Engine
Agricultural Inventions
Life Preserver Exhibitor
American Industries--No. 31.
New Steering Apparatus
The Binary Absorption System of Refrigeration
Marine and Land Hermit Crabs
The Electric Sun
The Steam Velocipede
Miscellaneous Inventions
Engineering Inventions
Departments
Correspondence
New Books And Publications
Notes and Queries
Business And Personal
Index of Inventions
Patents