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Railroad Law Case

Census of Charleston, S.C.

The Prophet-Child

Law's Planing Machine

A Railroad From Halifax to Vancouver's Island

Steam Boiler Explosion

I Will Arise and Go Unto My Father

Railroad Accidents

New Orleans

American Sewing Silk

The Great Linguist

Boston Cultivator

The Patent Office Building

Boston and Albany


Fire at St. Louis

The Cholera

An American Invention in England

Seditious Placards

Spirit of an Engineer

A Good Month's Work

A Literary Lion Coming

Lead Mines

Vancouver's Island

Water Wheel for Mexico


Afflicting Events

Wonderful Escape

National Convention or Inventors

Appropriations by Last Congress for the Encouragement of Science

The Mineralogist.--The Description and Locality of Every Important Mineral in the United States

Miniature Steam Engine

Mining in Germany and Great Britain

New Way or Manufacturing Soap

Curing Bacon

Improved Mode of Setting the Spindles of Grist Mill Stones

Improvement in the Manufacture of Printing Ink

Life Boat Cylinders

New Car Coupling.

New Chemical Discovery

New Felloe Machine

New Invention

New Paving

New Vertical Dipping Paddle Wheel

New Water Wheel

Prize for a Rotary Engine

The Bridge of Pesth

Anthracite Coal in Locomotive Engine

Southern Cotton Mills

Spontaneous Combustion

White's Patent Hydro-Carbon Gas

American Fireproof Safes

Ohio Mechanics Institute

Our London Patrons

Pleasures Connected With the Pursuit of Science

Ranlett's Architect

The Destruction of the Solar System

A New Cheat


Substitute for the Potatoe

List of Patents

New Cotton Mill

American Mechanics

How to Keep the Western Waters Always Navigable

The American Inventors Almanac

The Best Mechanical Paper in the World!

Fourth Year of the Scientific American!

To Destroy Cockroaches

To Correct Sourness in Milk, Cream and Bread

History of the Rotary Engine

Prepared expressly for the Scientific American


Zinc Pails for Milk

The American Inventor's Almanac for 1850

A New and Beautiful Alloy of Metal

Useful Problems

To Fix Drawings in Chalk and Crayons

To Boil Potatoes

Another Cholera Cure


  • From the Editor

    To Correspondents

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May 26, 1849