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Features

New Ore Roasting Furnace

Legislative Confiscation

The Total Solar Eclipse

Insatiate Vampires in Michigan

Tubercle Parasite

Detective Fire Alarm Box

New Tracheotome

Novel Indicator for Weighing Scales

New Vapor Burner

The Mississippi River

The New Patent Bill

The Recent Lawson Boiler Experiment

Improved Portable Engines

Filigree Jewelry Box

Where Agates Come from

Engineering Inventions

Miscellaneous Inventions

Agricultural Invention

Departments

  • Departments

    Correspondence

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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