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Features

Economy of the Arts

File Cutting Machine

The First Effect of Hearing Restored

Galvanic Decomposition of Water

New Preparation of Cotton

A Copyright Trial

A Diamond Mistake

How Beans Climb

Pats on the Shoulder

Advice to American Patentees Concerning Foreign Patents

Negative Wells

Making Rifles of Old Muskets

Labor-Saving Soap

Manufacture of Glass in England

Steam Pile-Driving Machinery

A Rare Fossil

How Wind Produces Cold

Which is the Best Saw Mill?--The Mulley

The Friction of Machines

Geometrical Models

Improvement in Steam Engines

Hand Printing Machine

Splendid Prizes.--Paid in Cash

Machine for Grinding Saws

Ancient and Modern Water Works and Tunnels

Time, Space, and Power

The Construction of Chimneys

Mechanical Clarionet Player

Opponents of the Woodworth Patent Extension

The Days Before Coal

An Ether Steamship Burned

The Clipper Races

The Philosophy of Fascination

Giant Skeleton Found

Sad Death of an Inventor

Another Metal Discovered

Old Silver Coin

To Bleach Sponge

A Great Bell

Black Band Iron Ore

Explosion of a Ship by Coal Gas

Trial of a Railroad Conductor

Blue and Black Indelible Ink

London Mechanics' Institute

Steam for Raising Ships

Photography in Paris

Tempering Steel Tools

Important Patent Case

Quetions for Solution

Important Items

Renovating Furs

Manny's Reaping Machine

New Seedling Strawberry

The Cochincal Plant

Entomology

Literary Notices

Mechanics

Cure for Rheumatism

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial