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Features

Holborn Viaduct Subways

A Recent Improvement in Gas Making

The Progress of the Hell Gate Excavations

The Panic and the Laboring Classes

Postal Science

On the Molecular Changes Produced by Variations of Temperature

Medical Science in Court - November 15, 1873

The Government Boiler Tests

Scientific and Practical Information - November 15, 1873

American Lighthouses

A New Improvement in Gas Manufacture

American Academy of Sciences

Combination Corn Sheller Boot jack Etc.

Lightning Sheep Shears

Improved Frost Log Dog

The Great Bridge at St Louis

Recent American and Foreign Patents - November 15, 1873

Answers to Correspondents - November 15, 1873

Communications Received - November 15, 1873

Departments

  • Letters

    Correspondence - November 15, 1873

  • Departments

    Notes and Queries - November 15, 1873

  • Business and Personal - November 15, 1873

  • Index of Inventions - November 15, 1873

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November 15, 1873

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