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Gas from Wood

Railroad Completed

Stopping of Flour Mills

Tunnel at Buffalo

Whipple's Patent Machine for Brick Manufacturing

The Useful More Enduring than the Magnificent

Matters and Things Connected with the Great Exhibition

Opening of the Great Exhibition—London on the 1st of May


Straw Bonnet Manufactory

To Deaden the Sound of an Anvil

Improvement in Carriage Springs

Knapp's Self-Arresting Abdominal Supporter

New Cloth Measuring Machine

New Patent for Rising and Descending Inclinations in Railways

New Railway Torch for Signals

Ship Measurer

Theory of the Rifle

Improvement in Apple Mills

Astronomical Observations at Washington

Electro-Magnetism as a Prime Mover

Cotton Crop Prospects

New Theory of the Central Heat of the Earth and the Cause of Volcanoes

Pay Your Postage

The Seventeen Year Locusts

The Patent Office

Young Mechanics—The Way to Rise

Practical Remarks on Illuminating Gas

Blasting Rocks

List of Patent Claims

Back Numbers and Volumes

New Edition of the Patent Laws

Patent claims


American Sponges and Florida Salt

Sugar Refining Machinery


  • From the Editor

    To Correspondents

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May 24, 1851

The Antidote to Anti-Intellectualism