Volume 6, Issue 3
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Features
The Art of Tanning
Drainage of Cities for Manures
Testimonial From an Inventor
Discoveries and Inventions Abroad
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
Coating Electrotype Plates with Iron
A Column of Varieties
History of Iron Ships
Dissolving India-Rubber
Hatch's Bed Bottom
Improved Shingle Machine
Morocco Leather Dressing
Lighting Manufactories by Water Power
Agricultural Improvements
Protracting Trigonometer
Improved Water Wheel
Improved Combination Auger
Cutting Piles Under Water--an Ingenious Apparatus
Patent Claims
Issued from the United States Patent Office