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Chlorated Silver

New Cornish Engine

Improved Steam Valve

Improved Lathe Chuck

List of Patent Claims

The Cornish Steam Engine

Magnetic Meridian

Colored Poisonous Confectionaries

Nitrate of Silver for Burns

Writing Inks

The Perpetual Motion

The Metals

New Rock Drill

Gone West

Expensive Books

Coal in Turkey

Submarine Telegraph Between America and Norway

Recent American Patents

To Steamboat Inspectors

Iron Steamships

Silver and its Uses.--No 1

Notes on Ancient and Curious Inventions.--No. 2

Monument to James Watt

Recent Foreign Inventions

A Cold March

Enameling Iron

Government Ships and Fire Arms


Improvement in Pianofortes



  • Letters

    Our Foreign Correspondence

  • To Correspondents

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April 12, 1856