Skip to main content

Features

The Keokuk (Iowa) Bridge

American Oyster Culture

The Patent Office

The Illumination of Art Galleries

Solvents for Rubber

Polychrome Printing

Scientific and Practical Information - December 12, 1874

To our Present and Future Subscribers

The Coal and Iron Products of the World

A Device for Preventing Priming

Wire Tramways

The Underground Railway, New York City

Practical Mechanism - December 12, 1874

By Joshua Rose

New Railway Tunnel under the Hudson River, between New York and Jersey City

The City of Pittsburgh and its Industries

A New Hot Air Balloon

Safety Catch for Cranes

Recent American and Foreign Patents - December 12, 1874

Answers to Correspondents

Canadian Patents - December 12, 1874

Communications Received - December 12, 1874

Departments

  • Letters

    Correspondence - December 12, 1874

  • Departments

    Business and Personal - December 12, 1874

  • Index of Inventions - December 12, 1874

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
December 12, 1874

See the World from a Different Perspective

Subscribe to Scientific American MIND