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Features

Wheeling and the Railroads

Sackett's Harbor & Saratoga Railroad

Iron Steamers

The Pacific

Potter's Improved Rut Scraper

To Make the Nitrate of Silver

Portsmouth and Concord Railroad

A New Varnish Wanted

The Cigar Destroyer

Fair of the American Institute

Every Farmer his Own Miller

Europe

The Principle of Morse's Patent, &C

The Voltaic Battery—Precipitation of Metals

Patent Cases

Improved Plow

Improved Grate

Improvements on Harvesting Machines

Improved Stove

Patent for the Reduction of Gold

A Patent Steam Bread-Baking Machine

Our Contemporaries

Commissioner of Patents' Report

War against Machinery

Notice—Erratum—Patent Laws

Invention in the Sugar Manufacture

Belts of Machinery

Another Discovery in Daguerreotyping

A Hint to Subscribers

The Russ Pavement

Labor-Saving Soap

Military Surgeons

List of Patent Claims

Decision in the Great Telegraph Case

Bound Vol. 5, Now Ready

The Barometer

Photographic Pictures on Glass

Mechanics

Steam between Philadelphia and Liverpool

Scientific Memoranda

Departments

  • From the Editor

    To Correspondents

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November 02, 1850

Music's Mysterious Power

Music's Mysterious Power

Emotional. Cognitive. Therapeutic.