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Features

Improved Plastic Brickmaking Machine

Preservation of Flowers in Their Natural Form and Color

Sudden Rupture of a 1500 Horse Power Engine

Position of the Planets in June

A Convenient form of Resonance Tube for Determining the Velocity of Sound

An Improved Traction Engine

A Sixty Horse Power Gas Engine

Experiments with Soap Bubbles

Photographic Notes- June 4, 1892

An Economical Fire Alarm

The Pythons of the Philippine Islands

Magic Photographs Developed by Smoke

Departments

  • Recommended

    New Books and Publications- June 4, 1892

  • Departments

    Recently Patented Inventions- June 4, 1892

  • Business and Personal- June 4, 1892

  • Notes and Queries- June 4, 1892

  • To Inventors- June 4, 1892

  • Index of Inventions- June 4, 1892

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June 04, 1892

Think Outside the Gift Box