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Features

Electric Lighting

Mental Experimenting

The Utilization of Weeds

The Origin of American Mechanical Genius

Senate Bill No. 300

The Imagination in the Constructive Arts

The British Association

The Bag-Worm's Mother

Sheaf Binding

The Dynamometer of the Great Captive Balloon at the Paris Exhibition

Gang Plow Trials-Paris Exhibition

Notes of Patent Law

Decisions of the Courts

A New Camera Lucida

A New Head Protector

The Polyscope

Potato Digger

Gathering the Sap of the Maguey

The Tufted Coquette

The Lagetto, or Lace-Bark Tree

Professor Palmieri's Diagometer

Astronomical Notes

By Berlin H. Wright

Communications Received

Departments

  • Departments

    Business and Personal

  • Notes and Queries

  • Index of Inventions

  • Patents

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September 21, 1878

Reanimate Your Brain

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