Scientific American Magazine

Automatic Fire Governor for Gas Works

Improved Coal Screen

Gain from the Use of Feed Water Heaters

Cost of Tunnels

A Special Edition of the Scientific American--One Hundred Thousand Copies

What Temperature Kills?

Explosive Wounds from Non-Explosive Bullets

Scientific and Practical Information - November 7, 1874

The Aerial Screw

M. De Groof's Parachute

Peas Three Thousand Years Old

The Ruins of Troy

Universal Angle Bricks

Astronomical Notes - November 7, 1874

Practical Mechanism - November 7, 1874

Improved Stump Sawing Machine

Moat's Improved Lock

The Southport Aquarium and Winter Garden

Sulphur in Sicily, and Its Reduction from the Ore

The Fair of the American Institute

Recent American and Foreign Patents - November 7, 1874

Answers to Correspondents - November 7, 1874

Communications Received - November 7, 1874

Canadian Patents - November 7, 1874

Correspondence - November 7, 1874

Business and Personal - November 7, 1874

Index of Inventions - November 7, 1874