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Improved Loom

Rewarding a Military Inventor

Smith's Trace Buckle

New Steam Boiler

Revenue of the Patent Office

Trade-Marks at Law

Alexander von Humboldt

Trial Trip of the Russian Frigate General Admiral

American Steel

The Inventors' Exchange

Manuring Apple Trees

Cotton-Bale Iron Hoops

The Art of Bird-Stuffing

Enameling Hollow Ware

The New Series--What is Said of the Proposed Change

New British Patent Office

Enlargement of the Scientific American

Ice Cream Freezer


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    Notes and Queries

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