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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

Gasoline Slot Machine, Combined Piano Player and Talking Machine

A Pantagraph Which Draws on Steel With a Point of Flame

By Henry Harrison Suplee

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


  • Letters

    Correspondence - October 18, 1913

  • Departments

    Recently Patented Inventions - October 18, 1913

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October 18, 1913

Science for the Modern World