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Features

Improved Machine for Unloading Grain

Rotative Versus Rotary Engines

The Fabrication of Antiques

Meteorological and Medical Statistics

Scientific and Practical Information - August 22, 1874

Small Engines and Boilers

Influence of the Earth's Figure on Geologic Changes

Our Six Legged Rivals

Kite Tails and Telegraph Wires

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

Recent American and Foreign Patents - August 22, 1874

How Shall I Introduce My Invention!

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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