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Electro-Motors on Trunk Lines

William Jarvis Mcalpine

The World's Fair

S. J. Perry

Photographic Notes- March 1, 1890

An Improved Cable Grip

An Improved Printer's Galley

Hydraulic Pressure Gold Chlorination Process

An Improved Car Coupling- March 1, 1890

An Improved Window Shade Exhibitor

An Improved Brake Staff Support

An Improved Butter Worker

An Improved Check Hook for Harness

An Improved Hedge Fence

An Improved Machine for Stacking Hay, Ensilage, Etc.

An Improved Hoe or Rake

The New Boston Fire Boat "Engine No. 31."

The Artesian Wells of Riverside, Cal

The Armadillo

Scientific American Building Edition- March 1, 1890


  • From the Editor

    To Inventors- March 1, 1890

  • Letters

    Correspondence- March 1, 1890

  • Recommended

    New Books and Publications- March 1, 1890

  • Departments

    Business and Personal- March 1, 1890

  • Recently Patented Inventions- March 1, 1890

  • Notes & Queries- March 1, 1890

  • Index of Inventions- March 1, 1890

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March 01, 1890

The Antidote to Anti-Intellectualism