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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

  • Departments

    Correspondence

  • Notes and Queries

  • Recently Patented Inventions

  • Business and Personal

  • Index of Inventions

  • Patents

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial