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The Hudson River Railroad

The Compound Rail

Remarkable Discovery in Virginia

Patent Machinery for Rolling Candy

Hurl Gate

Hobbs Before the London Society of Arts

Clinton State Prison Iron Ore

The Montgomery Mechanics' Association

Arabia Steamship

The Young Astronomer

Trial of Locomotives at Lowell

Anthracite, as a Fuel for Locomotives

Steam Boiler Explosions

English Patent Law

Address before the Maryland Institute

Lectures on Ships and Steamers

On the Manufacture of Eau De Cologne

Recent Foreign Inventions

The Locusts

Dangers of Gas

The Fire Annihilator Again

Cultivation and Preparation of Cotton

Disastrous Flood

Improved Friction Clutch

Escutcheon for Locks

Wonderful Discovery—To Preserve Organized Specimens

Turner's Improvements in Paper Making

Preserved Meats

Improved Brick Machine

Cast-Iron Car Wheels

Balance Gate

The Woodworth Patent

India Rubber Power

Walls' Quartz Crusher


Town and Country

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

Geology--The Creation

Improvement of the Ohio River

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

Upas Tree on the Isthmus

Meteorological Observations

List of Patent Claims

Strike of the English Engineers

New Arrangement

Steamboat Building

Colt's Pistols

The Aztec Children

Scientific Memoranda


On Boilers—No. 13


  • From the Editor

    To Correspondents

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