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Features

Steam Pumping Engines for India State Railways

The Evil of Trade Organizations

Driving Power of Leather Belts

The Scope of the Infinitesimal

Copyrights

Diamonds Applied to Dressing and Working Moldings in Stone

Resistance of Woods to Torsional Strain

The Present Condition of Arctic Explorations

Swindling Operations

The Wreck of the Atlantic

Weather Threshold

Recording Barometer

Pipe Tongs

A Submarine Observatory and Photographic Gallery

Manufacture of Combs

Improved Water Fire-Grate

The Government Submarine Works at Hell Gate

Lunatic Asylum, Windsor, England

Sulky Plow

The Tanite Company's Shaper and Sharpener

Postage Stamp Affixer

Decisions of the Courts

United States Circuit Court--District of New Jersey

Recent American and Foreign Patents

Patent Office Decisions

Answers to Correspondents

Best Mode of Introducing New Inventions

Communications Received

Departments

  • Departments

    Correspondence

  • New Books and Publications

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial