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Should the Government Manufacture its Own Armor Plate, Of Nation-wide Importance and more

The Salvage and Repair of the Steamship "Royal George"

Converting a Sunken Ship Into a Bubble of Air

By R. G. Skerrett

Simple Methods in Model-making

How Soft Wood and Cardboard Can be Used

By Percy Collins

The Elevated Sidewalk, The Current Supplement

By Henry Harrison Suplee

The Scientific Employment of Men

Standardizing Human Character

By Herbert Newton

The Wire Industry, French Fisheries on the Newfoundland Banks and more


  • Letters

    Correspondence - July 26, 1913

  • Recommended

    New Books, Etc. - July 26, 1913

  • Departments

    Inventions New and Interesting - July 26, 1913

  • Recently Patented Inventions - July 26, 1913

  • The Motor-Driven Commercial Vehicle - July 26, 1913

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