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Features

The Process of Making Alcohol, Shameful Waste in the Army, and More

Valuable Receipts

An American Shipbuilder on Iron-Clad Frigates

The Proportions, Form and Dimensions of the Several Classes of War-Ships for Modern Service

Polytechnic Association of the American Institute

A Floral Patent

What Are Paper Consumers to Do?

Brief Extracts From Letters

Funston's Pencil Sharpener

Value of Little Patents

The Polytechnic Association

Which Are the Best War Ships?

Seventeen Thousand Patents Secured Through Our Agency

A Visit to Our Workshops--The Continental Iron Works

The Gold Mines of California of No Value to the World

Debating Societies

How to Choose and Keep a Rifle

The Condition of Our Iron-Clad Vessels

Recent American Inventions

Patent Claims

To Our Readers

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial