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Colossus, of the British Navy

Electric Accumulators

Headway of Great Ships

Device for Operating Awnings

Improved Harrow and Pulverizer

Improved Horizontal Stationary Engine

Watch for the Blind

Vegetable Grater

Improved Lamp Post

Clearing Attachment for Grain Drills

Folding and Pasting Machines

Violin Tuning Peg

A Perpetual Motion Machine--Will it Work?


The Porcupine in the Berlin Zoological Garden

A Simple Galvanometer

The Mechanical Working of Ballast Quarries

Experiment in Magnetism

Agricultural Inventions - May 14, 1887

Engineering Inventions - May 14, 1887

Miscellaneous Inventions - May 14, 1887

To Inventors - May 14, 1887


  • Letters

    Correspondence - May 14, 1887

  • Recommended

    New Books and Publications - May 14, 1887

  • Departments

    Business and Personal - May 14, 1887

  • Notes and Queries - May 14, 1887

  • Index of inventions - May 14, 1887

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