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Features

Navy Yard Politics, A Ray of Light in the Darkest Province of Chemistry, and more

Sir Joseph John Thomson, the Great English Physicist

The Originator of the Corpuscular Theory of Matter

By P. Phillips

The Motions of Mars and Saturn

Apparent Meanders of Two "Wandering Stars"

By S. A. Mitchell

Frost Fairs on the Thames, Meeting of the American Association, and more

Powerful Electromagnet for the Use of Oculists

A Convenient Form of Apparatus for Extracting Iron and Steel Splinters

By C. Van Langendonck

Abstracts from Current Periodicals

Phases of Science as Other Editors See Them

Artificial Silk-A Textile Marvel

Making Lustrous Yarn from Wood Pulp

By H. W. Ambruster

The World's Oldest Liqueur Distillery

A Monastic Plant Dating Back to 1084 A.D.

Destruction of the “Maine” by a Low Explosive Mine and her Own Magazines

Rotary Marking Gage

By William Grotzinger

A Pocket Hitch

By Homer Cloukey

Novel Lock Nut

By G. H. Ander

Two Novel Reamers

By H. D. Chapman

Suggestions for the Workshop

Ingenious Expedients of Resourceful Mechanics

By H. D. Chapman

Trepanning Drill

By Grover McKee

Departments

  • Letters

    Correspondence- December 23, 1911

  • Recommended

    New Books, Etc.- December 23, 1911

  • Departments

    The Inventor's Department- December 23, 1911

  • Recently Patented Inventions- December 23, 1911

  • Notes and Queries- December 23, 1911

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Self-Awareness or Illusion?

Self-Awareness or Illusion?

Solving the “Hard Problem”