Scientific American Magazine

Improvement on the Shanks of Door Knobs

Bad Books

Rules for Railway Travellers

Snead's Improved Grain Dryer

Strike on a British Railway

Directions for Preparing Talbotype Paper

Mineral Cave in Wisconsin

Patent Information—Important to Persons Using Patented Machines

Write Plain

Salt at Syracuse

Spiritual Knockings

Life of a Locomotive

Works on Science and Art

Medical Discovery

Correspondence of the Scientific American

Georgia Turpentine

Interior of East Florida

Coal Saddle Theory—New Discovery

Antiquities of Ancient Chaldea

Common Hardening

English Cast Steel

To Convert Iron into Steel by Cementation

Death of a Sculptor

Welding Iron

On Tides

Shingling and Manufacturing Iron

Cast Iron Sills

Singular Clock

Abstract of some British Patents Recently Granted

Fire-Proof Paper

Balloons for the Arctic Expedition

Cure for Smoky Chimneys

Improvement on Saddles

Marine Night Signals

Transatlantic Telegraph

Useful Sleigh

New Gunpowder—Caution

Navigating the Atmosphere

Parker's Water Wheel

Consumption of Smoke

List of Patent Claims

More about the Exibition of the Industry of all Nations

Notice

Astronomical

Back Volumes Scientific American

Antique Gold Mask

To Inventors and Mechanics

History of Propellers and Steam Navigation

Strange Event

Late Eruption of Mount Vesuvius

To Correspondents