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Features

Peat Fuel—Its Treatment

Tapley's Boiler Force Pump

Minerals of Western Kentucky

Tennessee Industrial Fairs

Coal in Canada

Anthracite Coal Burning Locomotives

Filtering Air in the Preservation of Meat

Richmond Mechanics Fair

The Dead-Head System on Railroads

A New Kind of Locomotive

On Compound Interest

Smithsonian Institute Report

Looms for Weaving Bags

Improved Stump Extractor

Mortising Machine

Water Filters

Carriage Cramp

Grease Feeders

Lathe for Turning Fancy Chair and Table Legs

Improved Expansible Bit

Improved Spike Machine

Aerial Navigation

Is it Worth Patenting?

New Brick Machine

Sanford's Patent Straw Cutter

Dangers of the Sea—Courts of Inquiry

Otis' Improved Elevator

Another Medical Prize Question

Reports of Patent Cases

A Just Law

A Tribute of Respect

List of Patent Claims

Terms of Advertising

Drying Potatoes

Elliott the Aeronaut Outwitted

Pillar Letter Boxes

Valuable Discovery of Gum

Grape Culture and Wine Manufacture in Ohio

The Largest Mill in the World

History of Reaping Machines--No. 9

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November 25, 1854

Beyond XX and XY

Biology. Identity. Equality.