Features
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
New Publications
Effect of Arsenic Upon Apples
Manufacturing, Mining, and Railroad Items
Recent American and Foreign Patents
Extension Notices
Answers to Correspondents
Harlin's Plan for Improving Oil Cups
The Nicolson Pavement--Important Patent Extension
Towles' Patent Elliptic Suspender
Gilding on Wood
Corrosion of Iron Exposed to Salt Water
Needless Sacrifice of Life and Property
The Injustice of Trades Unions
Lightning
Mechanics in California
Granite
Ringing in the Ears
Differences in Opinion
Patents and Claims
250,000 for Stamp Eraser
Departments
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Correspondence
Business and Personal
Patents
