The Rise, Progress and Influence of the Scientific American

Our Patent Agency Department

Extension of Patents--Important to the Inventors of 1845

Stubborn Facts

Interesting Items of Useful Information about Patents and Patent Law Cases

The Patent Agency Business

To Patent Agents and Lawyers

Description of the New Offices of the Scientific American

The American Patent Office

Sensation of Heat from Carbonic Acid

An Atmospheric Dryer

Glazed Waterproof Cloth

Extracting the Metal Aluminum

Franklinite Iron Ores and Sulphur

Rendering Textile Fabrics Waterproof

Concrete Houses

Observations on the Connection of the Elements by their Atomic Weights

By Septimus Piesse, of London, England

Scientific Farming Memoranda

A True Sign of Progress

Photographing on Wood

The Mystery of the Lakes

Ultimate Value of Patents

Water-Wheels by Night and Day

A Gentle Hint to Postmasters

To Patentees

Prevention of Fire on Board of Ships

Tunneling Mountains

Canadian Patent Laws

Saw-Mills without Balance Wheels

Variable Cut-Off Gear

Improvement in Power Looms

Norvell's Choking Strap

Great Volcanic Eruption

Improved Shingle Machine

Mechanics

Inventors, Millwrights, Farmers and Manufacture