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Features

Testing Armor Plates for Our War Vessels

An Evening Electrical School

Position of the Planets in October

The Horse Hair Snake

By Nicolas Pike

Leveler for Traction Engines

The "Success" Bob Sleigh

An Improved Hat Tag

An Improved Bridle

An Improved Thill Coupling

An Improved Gas Burner

An Improved Back Band Buckle

Improved Field Locomotive

Ship Building on the Great Lakes

Seamless Tubes from Solid Blocks of Metal

A Lady Slipper Orchid

Growth of a Wooden Caterpillar

Departments

  • Letters

    Correspondence- September 27, 1890

  • Recommended

    Books- September 27, 1890

  • Departments

    Business and Personal- September 27, 1890

  • Notes & Queries- September 27, 1890

  • Recently Patented Inventions- September 27, 1890

  • Index of Inventions- September 27, 1890

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September 27, 1890

Complex Causes. Alternative Solutions.