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Features

The Evening Sky

Removal of Snow by Melting

The War Ship and Her Crew

A Machine to Facilitate Filling of Bags

An Improved Ore Washing Jigger

An Improved Wrench

A Balanced Valve for Steam Engines

A Machine to Grind Sickle Blades, Etc

The Temple Block, Salt Lake City

The Adamson Gun

The New American War Steamer Miantonomoh

The Washington Gun Factory

Steam Stone Works

Departments

  • Letters

    Correspondence- February 6, 1891

  • Recommended

    New Books and Publications

  • Departments

    Notes and Queries- February 6, 1891

  • Recently Patented Inventions

  • Business and Personal- February 6, 1891

  • Index of Inventions- February 6, 1891

  • To Inventors- February 6, 1891

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial