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Features

The Buckeye Automatic Engine

Is the Ether Matter?

The Woodbury Patent

The Physical Forces are Modes of Ether Pressure

The Commissioner of Patents on the Patent Office Tea Set

The Cultivation of Oysters

The Morgan Hospital School, Dundee, Scotland

British Naval Guns

Portable Steam Winch

Improved Grubbing Machine

Shade Attachment for Plows

Improved Horse Detacher

Sir Samuel Baker's Expedition

The Great Well at Prospect Park, Brooklyn

Ocean Telegraphy

NUMBER I

By George B. Prescott

The Constitution of the Sun

NUMBER III-CONCLUSION

By C. A. Young

Recent American and Foreign Patents - January 9, 1875

Communications Received - January 9, 1875

Canadian Patents - January 9, 1875

Departments

  • Letters

    Correspondence - January 9, 1875

  • Departments

    Business and Personal - January 9, 1875

  • Notes and Queries - January 9, 1875

  • Index of Inventions - January 9, 1875

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January 09, 1875