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Features

The Lick Observatory of the University of California

Photographic Notes - March 17, 1888

Cohesion of Lead

By T. O'conor Sloane

An Improved Brake Block for Vehicles

An Improved Collar or Cuff Button

A Device for Unloading and Stacking Hay

An Improved Gate Spring

An Improved Stand for Displaying Goods

Simple Electric Motor

By M. Hopkins

The Locks of the Panama Canal

A Machine for Truing Valve Plugs, Etc.

A Device to Facilitate Blasting Stumps, Logs, Etc.

The Horned Lizard

Agricultural Inventions - March 17, 1888

Engineering Invention - March 17, 1888

Miscellaneous Inventions - March 17, 1888

To Inventors - March 17, 1888

Departments

  • From the Editor

    Index of Inventions - March 17, 1888

  • Letters

    Correspondence - March 17, 1888

  • Recommended

    New Books and Publications - March 17, 1888

  • Departments

    Business and Personal - March 17, 1888

  • Notes and Queries - March 17, 1888

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