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Features

Air Line Railroad

Ohio and Pennsylvania Railroad

Mountain Streams

Irish Engine

Sunday Disasters

Oscillating Engine

Mob Rockets

Remarkable Calculation

Mowing Machine

Marriage

City of Hudson

Working Classes of France

The Navy

Washington's Library

The Laborer is Worthy of His Hire

Telegraph Improvement

Singular Explosion of a Boiler

Providential Escape from Death

Nothing Like Big Words

Inhalation of Medicinal Vapors

Turpentine for Poison

Currents of the Ocean

Verdict of a Railroad Collision

Clairvoyance

Adams & Co's Express

Damp Winds of Buenos Ayres

French System of the Organization of Labor

Mosaic Tapestry, Copying Paintings, & c

American Rural Life

Novelties in Steam Engines

Machinery for Inclined Planes

Machinery for Inclined Planes

Counter-Sunk Rivets for Palls

New Looking Glass

Machine for Silvering Looking Glasses

Improvement in Daguerreotyping

Extraordinary Musical Mechanism

Engine Trumpet

Transferable Slips

Stiven's Parallel Vice

New Artificial Hand

List of Patents

Old Independence Hall

Economy of Power in Cotton Factories

Maker of the Infernal Machine

Ventilation--Health

The Scientific American

Claim of Woodworth's Patent

The American Institute

Scientific American--Bound Volumes

A Caveat

The Patent Office

A Republican Blacksmith

Theory of Population

Terrestrial Magnetism.--Central Heat

Reaction Water Wheels

Patent Agency

Cotton Duck

How to Enlarge Vegetables

To Clean Steel and Iron

Rectilinear from Circular Motion

Malleable Iron and Steel

Discovery of Hæmatinon

Automaton Extraordinary

Steaming and Washing Colored Goods

Instrument for Drawing an Oval

The Fiery Shower

Ice

Electricity from Leather Bands

Alternate Traverse in a Revolving Cylinder

Departments

  • From the Editor

    To Correspondents

  • Letters

    Last Machine

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May 13, 1848

Beyond XX and XY

Biology. Identity. Equality.