Scientific American Magazine

Purifying Illuminating Gas

Improved Cork-Cutting Machine

Liquefaction of Flint in Water

Uses of Liquified Quartz

Electro-Magnetism and Locomotives

Mr. Donald Mckay's Opinions of British Shipping

Tempering Steel Wire

Compressed Air-Engines

Improved Preserve Can

Cleaning Boilers

Our Journal in Europe

Work of Water-Wheels by Night and Day

A Good-Natured Letter

Pyrometer on the Principle of the Steam Gage

Perpetual Motion--Pathetic Story of its Inventor

Infringement Case

Merits of Galvanized Iron

Coal Oil--Secret Inventions

Steel from Cast-Iron Without Fire

A Column of Interesting Varieties

Advice About Patent Extensions

The New Time Ball

The Buffalo Big Ship

Improvement in Valve Rods for Self-Feeding Boilers

Steam-Boiler Inspection

Improved Molding Device

Perpetual Motion

Architecture and Building Materials

Iron and Wood for Ships

Removing Mildew From Linen

A Remarkable Meteor

Sewing-Machines and the American Institute

Weekly Summary of Inventions

Foreign Summary--News and Markets

Patent Claims

Improvement in Hemming-Guides for Sewing-Machines

Discovery of a Sunken City

Improved Chimney Caps

Notes and Queries