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Features

Cleveland and Wellsville Railroad

Ortlieb's Out-Off for Steam Engines

Whitney's Railroad

The Extension of Patents by Congress

Improved Self-Sharpening Grindstone

Galvanic Batteries

A Great Drill

Law of Patents

Fat People

Lake Superior Rising

Copper Tube Manufactory

Marine Architecture--Yachts, America, England

Culture of the Olive

To Stop Bleeding from the Cavity of an Extracted Tooth

Parker and Re-Action Water Wheels

Transporting Timber

The Telegraph Superseded

Improvement in Head and Tail Block

Improved Furnace for Warming Dwellings

Discovery in Sculpture

Improvements in Spinning

Conger's Turbine

London Steamboats Picking Up

Improved Knife for Cutting Hay

Another Great Rifle

Steam Fire Engine

A High Bridge

Corns, Shoes, and Proper Measures

Preserved Meats and Meat Biscuit

Maryland Mechanics' Institute

Views Respecting the Source of Light

The American Institute and Riddle's Fair

Croton Metallic Paint

Substitute for Pen and Ink

Things to be Invented

An Invention Wanted--Chance for Electric Engineers

The Woodworth Patent--Petitions Against it

Hollow Bricks, Fire-Proof Buildings, &,C

List of Patent Claims

Cough Drops

Remarkable Perfection of Instruments

Patent Laws, and Guide to Inventors

To Correspondents

New Arrangement

An Important Paragraph

Water and Salts-Heating by Water

A Meteoric Engine

Unrolling the Mummy of a Bishop

Forty Miles an Hour

On Boilers.--No. 17

Cotton in Russia

Expedition to Japan

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    March 20, 1852

    Confronting Common Wisdom