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Shipbuilding in the United States

Hoist with Its Own Petard

Panama Canal Locks to Be Widened

The Humanitarian Side of Vivisection

Artificial Honey

The Scientific American Trophy and Medal

The Crocco and Ricaldoni Hydroplane Boat

Combined Dam and Power Plant

The Long Distance Balloon Races from St. Louis

Natural and Artificial Mixed Colonies of Ants

By Louis I. Dublin

A Convenient Pocket Transit

By A. Frederick Collins

An Interesting Type of Cow Milker

Folding Ironing Table

Attachment for Traction-Operated Implements

Extension Table


  • Index of Inventions - November 2, 1907

  • Letters

    Correspondence - November 2, 1907

  • Departments

    The Heavens in November 1907

  • Recently Patented Inventions - November 2, 1907

  • Patents - November 2, 1907

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