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Features

Dr. Koch's Treatment for Consumption

The Tennessee River Improvement

A Tool for Setting Boiler Flues

An Improved Shutter Worker

An Improved Score Device

An Improved Land Roller

An Improved Car Coupling

New Hose Coupling

Utilizing Niagara Falls Water Power

The Norton Self-Ballasting Life Boat or Yacht

Mould for Constructing Concrete Sewers and Subways

Scientific American- November 22, 1890

Departments

  • Letters

    Correspondence- November 22, 1890

  • Recommended

    New Books and Publications- November 22, 1890

  • Departments

    Recently Patented Inventions- November 22, 1890

  • Business and Personal- November 22, 1890

  • Index of Inventions- November 22, 1890

  • Notes and Queries- November 22, 1890

  • To Inventors- November 22, 1890

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November 22, 1890

Think Outside the Gift Box