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Features

Early Telephones

Official Report on the Panama Canal

Galveston Harbor

Deep Water Canal Transportation

The Oregon Disaster

An Improved Reciprocating Hand Tool

Combined Newspaper Stand and File

Stop Motion for Doubling Machines

Improved Farm Gate

Improved Horse Power

Improved Tympan

Loom Shuttle

Stove Grate

Dust Pan

Improved Air Engine

An Improved Life Preserver

The Lemurs in the Berlin Zoological Garden

Dilatancy*

By T. O'Conor Sloane

Engineering Inventions - May 29, 1886

Agricultural Inventions - May 29, 1886

Miscellaneous Inventions - May 29, 1886

Departments

  • Letters

    Correspondence - May 29, 1886

  • Recommended

    New Books and Publications - May 29, 1886

  • Departments

    Business and Personal - May 29, 1886

  • Notes and Queries - May 29, 1886

  • Index of Inventions - May 29, 1886

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May 29, 1886

Confronting Common Wisdom