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Features

Electro-Motors on Trunk Lines

William Jarvis Mcalpine

S. J. Perry

The World's Fair

Photographic Notes- March 1, 1890

An Improved Cable Grip

Hydraulic Pressure Gold Chlorination Process

An Improved Printer's Galley

An Improved Brake Staff Support

An Improved Car Coupling- March 1, 1890

An Improved Window Shade Exhibitor

An Improved Butter Worker

An Improved Check Hook for Harness

An Improved Hoe or Rake

An Improved Machine for Stacking Hay, Ensilage, Etc.

An Improved Hedge Fence

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

The Artesian Wells of Riverside, Cal

The Armadillo

Scientific American Building Edition- March 1, 1890

Departments

  • From the Editor

    To Inventors- March 1, 1890

  • Letters

    Correspondence- March 1, 1890

  • Recommended

    New Books and Publications- March 1, 1890

  • Departments

    Recently Patented Inventions- March 1, 1890

  • Business and Personal- March 1, 1890

  • Notes & Queries- March 1, 1890

  • Index of Inventions- March 1, 1890

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March 01, 1890

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