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Features

Improved Feed Water Heater and Purifier

Award of Prizes at the Vienna Exposition

The Patent Congress at Vienna

The Poor Man's Representative

Lightning Rods--A Few Practical Hints

The Bisulphide of Carbon Auxiliary

Caoutchouc--Where it Comes From, and How it is Prepared

American Sewing Machine Awards at Vienna

The Machine Room of the Great Exposition

The Architect and the Builder of the Vienna Exposition Palace

Steam Boilers at the Great Exposition--Letter from the Engineer of the United States Department

The Great Exposition--Letter from United States Commissioner Professor R. H. Thurston

Improved Window Weather Strip

The Ironclad Hulling Stone

Improved Wrench

Improved Friction Attachment

Counterbalanced Lifting Bridge

Kansas City, Mo., and its Coming Exposition

Improved Testing Machine

Foreign Appreciation of American Inventions

American Association for the Advancement of Science

Decisions of the Courts - September 6, 1873

Recent American and Foreign Patents - September 6, 1873

A Grand Victory Over Every Competitor in the World

Answers to Correspondents - September 6, 1873

Communications Received - September 6, 1873

Departments

  • Letters

    Correspondence - September 6, 1873

  • Recommended

    New Books and Publications - September 6, 1873

  • Departments

    Notes and Queries - September 6, 1873

  • Business and Personal - September 6, 1873

  • Index of Inventions - September 6, 1873

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