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To Analyse an Alloy of Silver and Gold

Nystrom's New Calculating Machine

Pacific and Mississippi Railroad

To Analyse an Alloy of Silver and Copper

Good Parsnips

Improvement in Making Flour

The Great Bell at Notre Dame

Incrustations on Steam Boilers

Copper Boilers

Doings at Washington

Foreign Correspondence

Plank Roads in Missouri

More about Severson's Bridge

Improvement in Hanging Picker Staves in Looms

New Grain Cleaner

New Churn

New Board Fence

Improved Water Gate

Improved Method of Manufacturing Twisted Gun and Pistol Barrels

Improved Machinery for Dressing and Jointing Staves

Improved Machine for Bending Felloes

Improved Hand-Truck for Wheeling Bales

Improved Grass and Grain Cutter

Heating Railroad Cars

Anotta Dye

Premium Offered

Prof. Page'e Electro-Magnetic Locomotive

To Our Mechanics—Come Let Us Reason Together

List of Patent Claims

Practical Remarks on Illuminating Gas

New Edition of the Patent Laws

Hydraulics

Old Oil from the Sea

Mechanics

Treatment of Cancer

The Motion of the Earth Rendered Visible

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May 17, 1851

See the World from a Different Perspective

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