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Features

Improved Diamond Stone Sawing Machine

Can We Stay?

The Microscope as a Criminal Detective

Prepare for the Centennial

Penholders

Diagram Showing the General Arrangement of the Machinery and Coal Bunkers of the City of Peking

The Engineer's Trial Trip of the Pacific Mail Steamer City of Peking

The Grape Phylloxera--Sixty Thousand Dollars Reward Offered for a Remedy for the Grape Disease

Improved Vertical Planing Machine

Practical Mechanism - September 12, 1874

Number VIII.

By Joshua Rose

Improved Gas Regulator

Youngman's Improved Slide Valve

India Rubber Shoes for Horses

A Balloon Steering Device

New Treatment for Throat and Nose Diseases

Proceedings of the American Association for the Advancement of Science

How Shall I Introduce My Invention?

Ventilation of Railway Tunnels

Recent American and Foreign Patents - September 12, 1874

Answers to Correspondents - September 12, 1874

Canadian Patents - September 12, 1874

Communications Received - September 12, 1874

Schedule of Patent Fees

Departments

  • Letters

    Correspondence - September 12, 1874

  • Recommended

    New Books and Publications - September 12, 1874

  • Departments

    Business and Personal - September 12, 1874

  • Index of Inventions - September 12, 1874

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September 12, 1874