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Gold-Separating Apparatus

List of Patent Claims

The Cost of Gas in Various Cities

Alcohol from Tomatoes

To the Spirits-a Machine Wanted

The French Conservatoire des Arts

Recent Foreign Inventions

Inhalation in Lung Complaints

How to Set Timber Posts

Fire Wood

Benzole for Insects

Shooting Molten Iron

The French Exposition

Clasp for Leading Cattle

Tunnels and Tunnelling

Railroad Train Blown off the Track

Races at Agricultural Fairs

Progress of Photography

Fair of the American Institute.--Award of Prizes

A New Leyden Jar

The Assay Office

Railroad Economy--Prizes

Medical Virtues of Parsley

Impure City Water

Curious Property of Water Divested of Air-Boiler Explosions

Splendid Cash Prizes

Extracting Silver from Lead


Inventors, and Manufacturers

Pennsylvania Slate


  • Letters

    To Correspondents

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November 24, 1855

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