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Features

The Laboratory and the Workshop

A Machine for Forming Projectiles

A Portable Grain Dump

An Improved Post Office Box

An Improved Wrench

The New American War Ship Olympia

The State Dam, Mohawk River, at Cohoes, N. Y.

The Photoret

The Traveling Garbage Burner of Chicago

The Burt Wooden Railway, California

To Inventors

Departments

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    Correspondence

  • Business and Personal

  • Recently Patented Inventions

  • Notes and Queries

  • Index of Inventions

  • Patents

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December 23, 1893

Think Outside the Gift Box