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Features

Garbage Destructor and Carbonizer

Midwinter Malaria

Rice Culture in the Southwest

The Sounds of Vapors and Gases--the Photophone as an Instrument of Physical Investigation

Suppression of One Class of Interferences

The Silk Industry of the United States

Smokeless Fuel from Coal

Compressed Lignite as Fuel

Combined Anvil and Vise

Improvement in Currycombs

New Telescope of Short Focus

A Simple Experiment with Polarized Light

Apparatus for Preparing Starch for Finishing Linen and Cotton Goods

Soldering by Electricity

Recording Telephonic Receiver

Engine with Gas-Fired Boiler

Miscellaneous Inventions

Slate Pencil Machine

The Winkle, or Ladle-Shell

By A. W. Roberts

Improved Coffee Pot

Communications Received

Departments

  • Departments

    New Inventions

  • Recent Inventions

  • Correspondence

  • Business and Personal

  • New Books and Publications

  • Notes and Queries

  • Index of Inventions

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial