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Reproduction of Articulate Speech and Other Sounds

Military Notes

The Celestial World - July 14, 1888

An Improved Electrical Annunciator

An Improved Can Opener

A Device for Stopping Leaks in Vessels

A Clamp for Holding Covers on Fruit Cans

An Improved Ship's Log

An Improved Drilling Tool

An Improved Car Coupling

A Removable Handle for Cross-Cut Saws

A Device for Holding Bed Clothes in Position

An Improved Tobacco Pipe

Corea by Native Artists

The Manufacture of Fishing Nets

The National System of Purifying Water by Filtration, Precipitation, and Aeration

Simple Experiments in Physics

By M. Hopkins

Engineering Inventions - July 14, 1888

Miscellaneous Inventions - July 14, 1888

To Inventors - July 14, 1888


  • Recommended

    New Books and Publications - July 14, 1888

  • Departments

    Business and Personal - July 14, 1888

  • Index of Inventions - July 14, 1888

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July 14, 1888