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Features

Railroad Quarrel

Rules for Travelling on Railroads

A Gigantic Corporation

New Safety Mining Lantern

There is Good in the World

Emerson Goddard's Improved Grinding Mill

Western Atlantic Railroad, Georgia

The Last Leaf

Railroad Invention

Railroad Damages

Hudson River Railroad

Cold All the World Over

British Census

Pulverized Potatoe

New Epidemic

National Convention of Inventors

Iron Rails in Use and Out of Use

Ice

The Potatoe

Sliver Seven Cent Pieces

Robbery of the Government Jewels

The Oldest Pastor in the United States

Curious Discovery

Ship Blocks

A Capital Summer Furnace

Patent Medicines

Indestructibility of Cork

Improvement of the Organ

Hydraulator

Extraordinary Locomotive Speed

Sulphuric Acid

Panama Cotton

Air and the Lungs

Fulton and Napoleon

Mercury in Hermetically Sealed Glass Vessels

The Way Inventors Are Plundered

Magnetic Cures

List of Patents

Improved Planing Machine

New Sewing Machine

Improved Loom for Weaving Plain and Figured Work

Improved Chimney

New Flax Spinning Machine

Improvement of the Microscope

More About Balloons

Inventors and Inventions

The Electric Light, &C

Blanchard's Invention

Back Volumes of the Scientific American

The Discoverer of Etherization

Diplomatic Smuggling

Report of the Commissioner of Patents

Patent Case --Blanchard's Patent

Utica Mechanics Fair

The Scientific American

How to Make a Horse Sure-Footed

Gas for Illumination

Barren Soils

Printer's Proverb

The Cotton Gin

Publishers' Notice

Bust of General Taylor

Universal History of the World

German Silver

New System of Oil-Painting

To Preserve Grapes

History of the Rotary Engine

Prepared expressly for the Scientific American

Chlorine

Time for Cutting Timber

Experiments With the Human Hair

Salt and Soot

Recipe for White Swelling and Felons

Lucifer Matches

To Make Cotton, or Linen Cloth Impenetrable to Water

Departments

  • From the Editor

    To Correspondents

  • Reviews and Recommendations

    Hints to Dyspeptics

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March 17, 1849

Beyond XX and XY

Biology. Identity. Equality.