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Prevention of Pitting in Smallpox

New Steamships

Liquid Manure

Light War Vessels

Laying of the Transatlantic Cable

U. S. Agricultural Fair

Speed of Mill Stones

List of Patent Claims

Comets, Meteors, and Heat of the Sun

Descriptive Index of Chemical Patents Issued by the U. S. Patent Office in 1856

Curing Hark Lash in a Mill

English's Rolling Slat Adjuster

Notes on Science and Foreign Inventions

Lake Tonnage

Rope Making and Hemp

Half Launched

Erie Railroad Management

Planting Young Grape Vines

Ohio River Suspension Bridge

John Tyssowski, L.L.D., of the U. S. Patent Office

How to Plant Trees and Shrubs

Credit to American Mechanics

Ave You a Choice Grape Cutting That you Want to Grow?

Annual of Scientific Discovery for 1856

A Military Telegraph

Water and Its Phenomena

Telegraph Wires

Poisonous Gases of Combustion

Rolland's Patent Farm Gate

Davis' Patent Lard Lamp

Imagination During Sleep

New Philosophy of Making Soup


Inventors, and Manufacturers


  • Letters


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April 18, 1857

The Antidote to Anti-Intellectualism