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Features

A Cheap Mouse Trap

New Sugar Cane Cuttings

Artificial Stone

Alum in China

List of Patent Claims

A Steam Whaler

The Same Subject

Spinning on Cotton Plantations

Muley and Circular Saws

More California Big Trees

Mammoth Cave Pit

Louisville Mechanics' Institute

Dr. Livingstone Discoveries in Africa

Cornish Pumping Engines

Solar Evaporation of Fluids, Such as Salt Brine

Improvement in Windmills

Artificial Guano

The Eye, and How to See

The Coolest Dodge Yet

Steam Fire Plug Thawer

Petition for Extension of a Patent

Patent Case

Hugh Miller, the Mechanic Geologist

Ex-Examiner Langdon Gone to Europe

Crystalization of Wrought-Iron

Piesse's Pastils

Descriptive Index to Chemical Patents

Calculating Astronomical Machine

Locomotive Boiler for Burning Coal

Scarcity of Flour Barrels

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January 24, 1857

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