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Charcoal Roads

Effect of the N. Y. and Erie R. R. on the Butter and Poultry Markets


On the Manufacture of the Celebrated Damascus Blades

Machinery for Boring and Sinking Artesiam Wells

Obstructions on Railways

Nova Scotia Wood


New Theory of Cholera

Supernatural Knocking

Inversion of Babies

Dr. Dick and the Christian Citizen

Iconographic Encyclopedia of Science, Literature and Art

Down of the Eider Duck

Plank Roads

Half a Century

Prof. Barry's Tricopherous

Water-Proof Blacking


Correspondence of the Scientific American

California Gold

Mercantile Library Association

The U. S. Dry Dock at Brooklyn

Marine Discoveries in Charleston Harbor

Culture of Tea

Spain and its Resources

Short Biography of Sir M. J. Brunel

Water for Albany

Scientific Memoranda

Improved Method of Making Coffee Extracts

Candles Made by Railway Process

New Single Blade Propeller

Action and Re-Action

Sugar Crop

Ice Machine

American Inventions

Perpetual Motion Again

New Shaving Cream

Labor-Saving Churns

New Method of Electrotyping

Properties of the Crank

What was to be; What is; and What is not

The Ocean Steam Navigation Company

The Importance of Conversation

Singular Electrical Phenomenon

List of Patent Claims

Great Meeting of Gas Consumers. Proff Grant's Light

British India

Arctic Bears

Cultivation of the Castor Bean in Ohio


Rotary Steamboat Explosion

Curious Scientific Discovery



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    To Correspondents

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January 19, 1850

Of Shamrocks and Science

Happy St. Patrick’s Day