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Features

How Deep wells are made

The Channelways of New York

Photographic Notes - August 21, 1886

Lee Board for Small Vessels

Plant Protector

Window Blind

Device for Opening Window Sashes

Sash Balance

Improved Derrick

Refrigerator Storehouse for Fruits, Etc

Improved Vulcanizer

Rotary Brush

Protective Garment

Detachable Milk Can Refrigerator

Writing Tablet

Drawer Check and Support

Experiments in Sound

By T. O'conor Sloane

Chicago

The Zarabatana of the Macoushies

By John R. Coryell

Decisions Relating to Patents

Western Electric Company

By La Rue v.

Engineering Invention - August 21, 1886

Mechanical Invention - August 21, 1886

Miscellaneous Inventions - August 21, 1886

Departments

  • Letters

    Correspondence - August 21, 1886

  • Recommended

    New Books and Publications - August 21, 1886

  • Departments

    Notes and Queries - August 21, 1886

  • Business and Personal - August 21, 1886

  • Index of Inventions - August 21, 1886

  • Patents

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial