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New Steam Excavator

The Art of Tanning

Drainage of Cities for Manures

Discoveries and Inventions Abroad

Testimonial From an Inventor

Magnificent Building Scheme --Practical Plan for Reducing Rents

Boiler Explosion--Rotten Iron

Fresh Air in Railroad Cars

Copper Mines and Mining in Arizona

Results of Practical Schooling

A Column of Varieties

History of Iron Ships

Dissolving India-Rubber

Coating Electrotype Plates with Iron

Hatch's Bed Bottom

Improved Shingle Machine

Agricultural Improvements

Morocco Leather Dressing

Lighting Manufactories by Water Power

Protracting Trigonometer

Improved Water Wheel

Cutting Piles Under Water--an Ingenious Apparatus

Improved Combination Auger

Patent Claims

Issued from the United States Patent Office

Important to Inventors,--New Arrangement

Improved Harvester



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    January 18, 1862

    Confronting Common Wisdom