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Features

Indianopolis Railroad

The Royal Pedigree

Railroad News

California Railroad

The Panama Railroad

Telegraph Lines

The French Sewing Machine

American Pencils

The Great Telegraph Case

Patent Case

Morfitt's Chemical and Pharmaceutic Manipulator

Virginia Coal

A Golden Rock

New Parliamentary Rule

Tunnelling the Alps

A Healthy Town

Queen Ann's Farthing

Death by Anthracite Coal Gas

Children Born Blind

The Thermometer and Winter Items

Separation of Iron from the Ore by Permanent Magnets

Homestead Exemption

Our Prize Essay

Trial of Factory Girls

American Phrenological Journal

Remington Again

Disasters on the Western Rivers

Westwardly Current Along the North Shore of Cuba

The Barometer

Madder

Foolishness of Profane Swearing

Importance of Flannel

The Lost Ten Tribes

A Bone Picker

Engraving

California the Ancient Ophir

Advice to Children

Mr. King's Report on the Panama Railroad

Improvement in Paddle Wheels

List of Patents

Irvin's Percolated Propeller Churn

Enamelling Iron

Counterfeit Detector Balance

Invention to Prevent Collisions on Railroads

Reform in the Patent Laws

Explosion of a Boiler

Balloons

Back Volumes of the Scientific American

American Manufactures

Report of the Patent Office

Pleasure Carriages

A Terrible Case of Suffering

Funds for the Pope

The Way to Melt the Ice on the Side Walk

Public Libraries

Light and the Human Eye

Curious Reminiscence of California

The Coast Survey

Habit

To Wash Iron With Gold

The Best Mechanical Paper

In the World Fourth Year of the Scientific American

To Make a Gold Powder

Chemical Affinity--Definite Proportions

Poisonous Metals.--Liquid Tests of Arsenic

History of the Rotary Engine

Prepared expressly for the Scientific American

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February 03, 1849

Complex Causes. Alternative Solutions.