You have access to SA issues and articles on Sciam through institutional access. Click here if you'd like to opt out.

You have access to Scientific American issues and magazine articles through your institution’s site license

Skip to main content


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


  • 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

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
Scroll To Top

Self-Awareness or Illusion?

Self-Awareness or Illusion?

Solving the “Hard Problem”