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Features

Automatic Fire Governor for Gas Works

Improved Coal Screen

Cost of Tunnels

Gain from the Use of Feed Water Heaters

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

M. De Groof's Parachute

The Aerial Screw

Peas Three Thousand Years Old

The Ruins of Troy

Universal Angle Bricks

Astronomical Notes - November 7, 1874

Practical Mechanism - November 7, 1874

Number XII

By Joshua Rose

Moat's Improved Lock

Improved Stump Sawing Machine

Sulphur in Sicily, and Its Reduction from the Ore

By G. Von Rath

The Southport Aquarium and Winter Garden

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

Departments

  • Letters

    Correspondence - November 7, 1874

  • Departments

    Business and Personal - November 7, 1874

  • Index of Inventions - November 7, 1874

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November 07, 1874