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Features

To Analyse an Alloy of Silver and Copper

Pacific and Mississippi Railroad

Nystrom's New Calculating Machine

To Analyse an Alloy of Silver and Gold

Incrustations on Steam Boilers

Improvement in Making Flour

Good Parsnips

Foreign Correspondence

Doings at Washington

The Great Bell at Notre Dame

Copper Boilers

More about Severson's Bridge

Plank Roads in Missouri

Improved Grass and Grain Cutter

New Grain Cleaner

Heating Railroad Cars

Improvement in Hanging Picker Staves in Looms

Improved Method of Manufacturing Twisted Gun and Pistol Barrels

New Churn

Improved Water Gate

Improved Machinery for Dressing and Jointing Staves

New Board Fence

Improved Machine for Bending Felloes

Anotta Dye

Improved Hand-Truck for Wheeling Bales

Premium Offered

To Our Mechanics—Come Let Us Reason Together

Prof. Page'e Electro-Magnetic Locomotive

List of Patent Claims

Practical Remarks on Illuminating Gas

New Edition of the Patent Laws

Hydraulics

Treatment of Cancer

The Motion of the Earth Rendered Visible

Old Oil from the Sea

Mechanics

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  • From the Editor

    To Correspondents

  • Recommended

    Notices of Books

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May 17, 1851

Help Us Reforest the Mississippi River Valley