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Features

Gutta Percha

Portable Electric Lighting Plant

An Improved Chuck

A Feed Water Heater and Purifier

An Attachment to Cool Water in Mains

Improved Scissors for Opening Letters, etc.

Evolutions and Drill of the N. Y. State Naval Reserve Militia

New High Service Stand Pipe, Jersey City Heights

The Mexico, Mo., Tornado

By James Newton Baskett

Electro-Microscopic Slide for Testing the Antiseptic Power of Electricity

An Improved Car Coupling

Gymnastic Exercises with the Stick

Departments

  • Letters

    Correspondence- August 15, 1891

  • Departments

    Business and Personal- August 15, 1891

  • Recently Patented Inventions- August 15, 1891

  • Notes and Queries- August 15, 1891

  • To Inventors- August 15, 1891

  • Index of Inventions- August 15, 1891

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August 15, 1891

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