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Features

A Machine to Supersede Typesetting

Meeting of the National Electric Lighting Association

Position of the Planets in March 1889

Proposed Visit of the American Engineering Societies to Europe

An Improved Grate Bar

An Improved Hoisting Machine

The Mason Reducing Valve

An Improved Oil Can Nozzle

The Sartell Railway Car Heater

The French Exposition of 1889 at the Esplanade Des Invalides

A Machine to Distribute Poison on Plants

Improved Device to Close a Tent Entrance

An Improved Car Wheel and Bearing

An Improved Wood-Sawing Machine

An Improved Saw Mill Dog

An Improved Steam Engine

Improved Plunger Rod for Pumps

Automatic Indicator for Magazine Guns

Lantern Pantographs

By M. Hopkins

The Top of the Eiffel Tower

An Improved Air Ship

Departments

  • From the Editor

    To Inventors- March 9, 1889

  • Letters

    Correspondence- March 9, 1889

  • Departments

    Recently Patented Inventions- March 9, 1889

  • Business and Personal- March 9, 1889

  • Notes and Queries- March 9, 1889

  • Index of Inventions- March 9, 1889

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