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Clinton State Prison Iron Ore

Remarkable Discovery in Virginia

The Montgomery Mechanics' Association

The Hudson River Railroad

The Compound Rail

Patent Machinery for Rolling Candy

Hurl Gate

Hobbs Before the London Society of Arts

English Patent Law

The Locusts

Trial of Locomotives at Lowell

Arabia Steamship

Anthracite, as a Fuel for Locomotives

Address before the Maryland Institute

The Young Astronomer

Steam Boiler Explosions

Recent Foreign Inventions

On the Manufacture of Eau De Cologne

Lectures on Ships and Steamers

Cultivation and Preparation of Cotton

Dangers of Gas

The Fire Annihilator Again

Disastrous Flood

Cast-Iron Car Wheels

Improved Friction Clutch

Preserved Meats

The Woodworth Patent


India Rubber Power

Improved Brick Machine

Escutcheon for Locks

Wonderful Discovery—To Preserve Organized Specimens

Turner's Improvements in Paper Making

Walls' Quartz Crusher

Balance Gate

Geology--The Creation

Town and Country

Telegraphs--Principles of Patents--Judge Kane's Decision

Upas Tree on the Isthmus

Meteorological Observations

Strike of the English Engineers

List of Patent Claims

Improvement of the Ohio River

Fishes of Northern New York--Frozen Fish, &C--Conclusion

New Arrangement

Colt's Pistols

On Boilers—No. 13

Scientific Memoranda

Steamboat Building

The Aztec Children



  • From the Editor

    To Correspondents

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February 21, 1852