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Features

Plan to Increase the Water Supply of New York

The International Patent Union

Hints to Inventors

Status of the Congressional Patent Bills

Aspects of the Planets for May - 1884

Guide Bar oiler

Head for Barrels, Casks, Etc

A New Fire Escape

Taking a Photograph by the Magnesium Light

Apparatus for Drying Fruit

Apparatus for Enlarging Microscopic Slides

An Industrial City.--Pullman, ILL

New Ore Elevator

To the Rescue of Lieut. Greely

Agricultural Inventions - May 3, 1884

Mechanical Inventions - May 3, 1884

Engineering Inventions - May 3, 1884

Miscellaneous Inventions - May 3, 1884

Departments

  • Departments

    Correspondence - May 3, 1884

  • Notes and Queries - May 3, 1884

  • Business and Personal - May 3, 1884

  • Index of Inventions - May 3, 1884

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