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Features

Manufacture of Oil of Vitriol

Recent Geological Investigations

The Base Line of Astronomy

That "Dastardly Outrage" Again

Spontaneous Generation

Efflux of Steam

Scientific and Practical Information - August 23, 1873

Ezekiel Page

Harris &Hewitt's Patent Sash Cord Fastener

Norway and Sweden

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

A New Domestic Motor

The Patent Revenue Cigar Box

Perambulating Cot

The Cooper Portable Engine

The First Automatic Fan

Decisions of the Courts - August 23, 1873

Recent American and Foreign Patents - August 23, 1873

Value of Patents and How To Obtain Them

Practical Hints to Inventors

Answers to Correspondents - August 23, 1873

Communications Received - August 23, 1873

Departments

  • Letters

    Correspondence - August 23, 1873

  • Recommended

    New Books and Publications - August 23, 1873

  • Departments

    Notes and Queries - August 23, 1873

  • Business and Personal - August 23, 1873

  • Index of Inventions - August 23, 1873

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August 23, 1873

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