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A Problem of National Proportions, The Thousand-foot Ship and more

Fireproof Shelter for Refuse Receptacles, The Smokestack and the Rudder of the "Imperator" and more

Safeguarding Machinery at Hawthorne

How an Electric Company Protects its Shop Employees from Injury

The Recent Great Flood

What may be done to Prevent Such Inundations in the Future

A Narrow-gage Self-propelled Passenger Coach

A Novel Gasoline Car with Transversely-mounted Motor

By Stanley Petman

Chipping or Dissolving Scale from Cylinders

By George Rice

Convenient Wood Steaming

By O. Ruehmer

Altering a Stethoscope to Locate Motor Knocks

By William R. Inghram

An Improvised Drill Press

By W. D. Graves

The Municipal Need of Technically Trained Men--II, The Cleveland Chamber of Commerce and the Oldfield Bill and more

By Rudolph Blankenburg


  • Letters

    Correspondence - April 12, 1913

  • Departments

    Inventions New and Interesting - April 12, 1913

  • Recently Patented Inventions - April 12, 1913

  • Notes and Queries - April 12, 1913

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