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Artificial Stone

A Cheap Mouse Trap

New Sugar Cane Cuttings

Alum in China

List of Patent Claims

Mammoth Cave Pit

Dr. Livingstone Discoveries in Africa

More California Big Trees

The Same Subject

Muley and Circular Saws

Spinning on Cotton Plantations

A Steam Whaler

Louisville Mechanics' Institute

Improvement in Windmills

Solar Evaporation of Fluids, Such as Salt Brine

Cornish Pumping Engines

Artificial Guano

The Eye, and How to See

Hugh Miller, the Mechanic Geologist

Ex-Examiner Langdon Gone to Europe

Patent Case

Steam Fire Plug Thawer

Petition for Extension of a Patent

The Coolest Dodge Yet

Descriptive Index to Chemical Patents

Piesse's Pastils

Crystalization of Wrought-Iron

Scarcity of Flour Barrels

Calculating Astronomical Machine

Locomotive Boiler for Burning Coal

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January 24, 1857

Confronting Common Wisdom