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Features

Cutting Down the Pittsburgh "Hump" District

By Harry Chapin Plummer

A Dangerous Bill, Dual Personality in Court, Painting the Town With Phosphorescent Paint and more

A Pantagraph Which Draws on Steel With a Point of Flame

By Henry Harrison Suplee

Gasoline Slot Machine, Combined Piano Player and Talking Machine

Pegoud's Remarkable Performances

What Coolness and Nerve Can Accomplish

Earthquakes and the Panama Canal

A Study of the Geological Conditions on the Isthmus and What it Reveals

By Donald F. MacDonald

Rudolf Diesel: An Appreciation

The Significance of a Great Inventor's Work

By Henry Harrison Suplee

Transporting a 46-Ton Cover Plate

A Railroad Bed Lowered to Accommodate the Castings

How One Express Company Proposes to Compete With the Parcels Post

Important Progress in Airships, The Current Supplement and more

By C. Dienstbach

Departments

  • Letters

    Correspondence - October 18, 1913

  • Departments

    Recently Patented Inventions - October 18, 1913

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October 18, 1913

Reanimate Your Brain

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