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High Speed in Thick Weather

Position of the Planets in August - 1888

Photographic Notes - July 28, 1888

An Improved Spirit Level

An Improved Car Coupling

An Improved Car Stove

Improved Railway Switch Stand and Signal

An Improved Show Case

An Easel with Adjustable Shelf

An Improved End Gate for Wagons

An Improved Harmonica Holder

A Marine Toboggan Slide

By H. C. Hovey

Improved Rock Drilling Machine

The Spectacled Viper

Simple Experiments in Physics

By M. Hopkins

The Swinging of Clubs

Miscellaneous Inventions - July 28, 1888

Engineering Invention - July 28, 1888

Agricultural Inventions - July 28, 1888


  • Recommended

    New Books and Publications - July 28, 1888

  • Departments

    Index of Inventions - July 28, 1888

  • Business and Personal - July 28, 1888

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July 28, 1888

Science for the Modern World