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Features

Culture of Tomatoes

Sciences

Survey of a Rail Route to California

Improvement in Apparatus for Feeding Steam Boilers

Gas Explosion

New Railroad Cars

A Good Safe

Columbus and Cleveland Railroad

Wheeling (Va.,) Silk Manufactory

Land Speculation

An English Clock in Constantinople

Sub-Rosa

Cholera.--Review of the Opinions on the Subject

Coal in Massachusetts

Improved Method of Tempering Edge Tools

Influence of the Press

Law of Patents in Prussia

Supply of Coal

Cockroaches

Coolidge Said Not to be Dead

To Editors and Publishers in the U. S

Turkish Education

To Treat Peach Trees

Lightning Conductors

The Crank

Solution of Problems on Page 288, No. 36

Source of Electricity

New Wagon Wheel

Lyman's Patent Steam and Water Guage

New Electric Telegraph

Onapman's Balance Rotary Slide Valve

Steam Plough

Important Discovery

Electric Light for Daguerreotypes

Improvement in Power Looms

New Self-Acting Railroad Switch

Dissolving Bones by Steam

Our London Patrons

Potatoe Sugar

Street Cleaning

American Carpets

Ancient Pyramid of Balls

Scientific Memoranda

Simpson's Propeller

Expenses of British Colonies

Motion

List of Patents

Cocoa Nuts

The History of the Solar System

The End of Prudence

The Office of the Bat

Earth the Natural Friend of Man

Cure for Cholera

The Scalpel

Parsnips

History of the Rotary Engine

A New Discovery to Separate Potatoes of Different Qualities

Patent Laws--Subjects of Patents

Portable Provisions for Travellers and Hunters

Departments

  • From the Editor

    To Correspondents

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June 16, 1849

Think Outside the Gift Box