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Features

The Aerial Cable Railway

Bauxite Mining in Alabama

The Difficulties and Problems of the Electric Engineeer

Experiments with Telephones

A Ditching Machine for Railway Service

Cotton Ginning Machinery at the Fair

A Post or Pole Hole Boring Machine

A Work Holder for Grinding Machines

Some Ancient Reaction Engines

By W. F. Durfee

An Air Lifting Process for Wells

Emil Greiner's Automatic Pipette

The New Battle Ship Indiana

The Dirigo--The First American Steel Sailing Ship

Tricolor Photography

The Antwerp Exposition

To Inventors - March 17, 1894

Departments

  • Letters

    Correspondence - March 17, 1894

  • Recommended

    New Books and Publications - March 17, 1894

  • Departments

    Recently Patented Intentions - March 17, 1894

  • Business and Personal - March 17, 1894

  • Index of Inventions - March 17, 1894

  • Notes and Queries - March 17, 1894

  • Patents - March 17, 1894

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March 17, 1894

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