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Features

Improved Machine for Unloading Grain

Rotative Versus Rotary Engines

Meteorological and Medical Statistics

The Fabrication of Antiques

Our Six Legged Rivals

Kite Tails and Telegraph Wires

Influence of the Earth's Figure on Geologic Changes

Small Engines and Boilers

Scientific and Practical Information - August 22, 1874

The Transit of Venus

A Four-Antlered Deer's Head

Modern German Artillery

New Geological Discovery

Young's Water Main Tapping Machine

Improved Dumping Wagon

The Western Locust Plague

How Shall I Introduce My Invention!

Recent American and Foreign Patents - August 22, 1874

Answers to Correspondents - August 22, 1874

Canadian Patents - August 22, 1874

Communications Received - August 22, 1874

Departments

  • Letters

    Correspondence - August 22, 1874

  • Recommended

    New Books and Publications - August 22, 1874

  • Departments

    Business and Personal—August 22, 1874

  • Index of Inventions - August 22, 1874

  • Patents - August 22, 1874

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August 22, 1874

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