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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

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


Mechanics in California


Ringing in the Ears

Differences in Opinion

Patents and Claims

250,000 for Stamp Eraser


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  • Patents

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