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Girl of the Blue Eye Bright and Beaming

The Harrisburg and Lancaster Railroad Company, Pa

The Arctic Expedition

Lights of Genius

The Future

Rail Road News

The Pennsylvania Railroad

Steam Carriages for Common Roads

Importance of Punctuality

An Ancient Press

Religious Manufacturing Association

Wholesale Poisoning

Sturgeon Flesh in Europe

Hours of Labor

The Fair of the American Institute

Quadrature of the Circle

Singular Phenomenon


Gypsnm Mounds in Western New York

Tortoise Shell

American Scientific Association

No. 3

On Some Properties of Alumina

Gunpowder and Greek Fire

Improvement in Pumps

New Process to Color Stone and to Make it Hard and Impermeable

New Piano Attachment

List of Patents

Yankee Music in London


New Boring Machine

Gunshot Wounds

Bung Cutting Machine

Mill Stones

Iron Ore

Horse Power

Progress in Useful Art

New Telegraphic Line

The Weather Strip

The Mechanic Arts

The Camera Lucida

Planing Machines

Value of Manufactures to a Country

Florida Reef and Everglades

The Telegraphic System

Disease from Intemperance


The Cholera

Ignorance and Crime

Patent Laws.--Selling Before the Issue of a Patent

Fossil Footprints

Turning or Irregular Forms

Pictorial National Society

U.S. Mail Steamships

Palmer's Business Men's Almanac

The Union for October

Agency Revoked

History of the Rotary Engine

Prepared expressly for the Scientific American


The Best Mechanical Paper

In the World Fourth Year of the Scientific American

Cure for Toothache

Attraction of Gravitation

A Metal That Expands Most in Cooling

New Chemical Law

How to Plant Chesnuts

Attraction of Cohesion

Iron Pipe Compared with Wood

To Remove Rust from Polished Steel

The Solubility of the Oxides of lron, Copper, and Cobalt, in Caustic Potash


  • From the Editor

    To Correspondents

  • Letters

    Foreign Correspondence

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October 14, 1848

Confronting Common Wisdom