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Features

The Naval Parade and Review

Opening of the World's Columbian Exposition, Chicago, May 1, 1893

Operations of the Canadian Patent Office

Treatment of Potatoes to Prevent Potato Scab

A Tie-Dog for Railroad Rails

An Electrical Rocking Chair

Tricks in Prestidigitation

An Improved Scaffold Truss

An Improved Wrench and Cutter

An Improved Corrugated Bit Brace Ring

An Improved Electric Belt

Hydraulic Propulsion of Vessels

Patentability

A Columbian Egg Puzzle

A Model Locomotive

The Deadly Scorpion

Another Early French Patent for a Barbed Wire Fence

By A. M. Tanner

To Inventors - May 6, 1893

Departments

  • Letters

    Correspondence - May 6, 1893

  • Departments

    Recently Patented Inventions - May 6, 1893

  • Notes and Queries - May 6, 1893

  • Business and Personal - May 6, 1893

  • Index of Inventions - May 6, 1893

  • Patents - May 6, 1893

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial