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Smoke Condensed by Means of Electricity

A Novel Feature in Mining

Inter-State Commerce

Signals at Sea

The Sinking of the Steamer Oregon

Photographic Notes - April 24, 1886

The Clapp-Griffiths Steel Process

Base for Posts

Improved Oil Cup

Sash Fastener

Spring Balance

An Adjustable Crib and Bedstead

Spiked Skid

Bevel Wheel Shaping and Dividing Machine

Combined Truss and Supporter

Screw Forging Machine

An Italian Artist's Residence-Sixteenth Century

Art in the Garden

A Window Grille of the Seventeenth Century

Tree Toads

By C. Few Seiss

Agricultural Inventions - April 24, 1886

Miscellaneous Inventions - April 24, 1886

Engineering Inventions - April 24, 1886

Special - April 24, 1886


  • Letters

    Correspondence - April 24, 1886

  • Departments

    Business and Personal - April 24, 1886

  • Notes and Queries - April 24, 1886

  • Index of Inventions - April 24, 1886

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