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Features

Form of Sound Waves

Horse Flesh as Food

Large Ships

Wine-Growing

Photography on Ivory

Patent Claims

Dudley Observatory—a Row

Explanation

Facts about Gunpowder

Recent Patented Improvements

Devin's Ring Bolt

Improved Ore Washer

How to Consume Smoke

Purifying Gutta Percha

Composition for Printer's Rollers

The Patent Office Structure

Report of the Commissioner of Patents on Goodyear's Extension Case

Horseshoeing

Accidents—their Cause and Prevention

Swill Milk—Wise Officials

Foreign Estimation of Inventors

Goodyear's Patent Extension

Commissioner Holt's Decision

Important to Inventors

Removing Moles and Warts

Mechanics

Rensselaer Polytechnic Institute

Trial of Steam Fire Engines

Loane's Self-Acting Car Coupling

Science and Art

Ice Pitchers

Hussey's Cutting Apparatus

The Great Rains of 1858

Departments

  • Letters

    Correspondents - July 10, 1858

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