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Hydrostatics Applied to Revolving Iron Forts

Patents and Claims

Manufacturing, Mining, and Railroad Items

Brown's Vegetable Masher

Cleanliness in Shops

To City Subscribers

The Velocipede Mania

Permanent Ways Versus Light Trains

Condition of the Patent Office

Horse and Foot

Patent Offices

The Telescope--A Lecture Delivered before the American Institute by Prof. Alexander

The Manufacture of Iron--A New Process

The Jonval vs. the Fourneyron Water-Wheel


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December 23, 1868

The Antidote to Anti-Intellectualism