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Features

Improvements in Watches

Tooth Powders

A New Metallic Alloy

Additional Improvement

List of Patent Claims

Wood Bearings to Shafting of Steamers

A Great Tailor's Shop

California Fisheries

Coal in Oregon

How to Obtain the Metal Aluminum

The Sun--No 2

Electricity the Cause of Waterspouts--A New Theory

Figures in Relief upon Marble

Improvement in Paper Machines

Convenient Writing Ink

James' Patent Bill

An American Engineer in Defence of Hot Air

Artificial and Peruvian Guano

Awarding Prizes for Improvements

Improved Wire Cutter

Important Patent Cases

Recent American Patents

Recent Foreign Inventions

New Polishing Powder

Notes on Patented Inventions.--No 11

Does the Moon Rotate on her Axis

Electro-Chemical Baths

Terms of Advertising

Important Items

To Correspondents

Important to Inventors

Literary Notices

The Great Eastern Steamship

New Water-Proof Clothing

Opinions Regarding the Cause of Cholera

Mechanics

Departments

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    June 28, 1856

    Complex Causes. Alternative Solutions.