Scientific American Magazine
Volume 19, Issue 4You are currently logged out. Please sign in to download the issue PDF.
Features
Improvement in Machinery for Sawing Wheel Fellies, Improved Cane-juice Bleaching Machine, and more
Chemical Nomenclature
National Agricultural Exposition
Editorial Summary
Carbolic Acid
The Use of Explosive Projectiles
Blasting with Nitro Glycerin--Comparison of this Substance with Gun Cotton and Gunpowder
Effect of Arsenic Upon Apples
Recent American and Foreign Patents
New Publications
Manufacturing, Mining, and Railroad Items
Answers to Correspondents
Extension Notices
Gilding on Wood
Towles' Patent Elliptic Suspender
The Nicolson Pavement--Important Patent Extension
Corrosion of Iron Exposed to Salt Water
Harlin's Plan for Improving Oil Cups
Ringing in the Ears
Needless Sacrifice of Life and Property
Lightning
Mechanics in California
Granite
The Injustice of Trades Unions
250,000 for Stamp Eraser
Differences in Opinion
Patents and Claims
Departments
Correspondence
Business and Personal
Patents
