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Features

The One Hundred and Fifty Ton Portable Gun Scales of the Watervliet Arsenal

The Bicycle as an Example for Improvements in Transportation

Eleventh Annual Meeting of the Institute of Electrical Engineers

An Automatically Operating Ejector

An Improved Ore Crusher

A Convenient Line Chalker

A Simple and Easily Cleaned Filter

Electrostatic Induction Machines without Sectors

Picolet's Wimshurst Induction Machine without Sectors

New Lift Bridge, Chicago

Marine Steam Dynamo

A Simple and Convenient Telephone

Protection of Piles Against the Teredo

Simplified Apparatus for Photomicrography

To Inventors - May 26, 1894

Departments

  • Letters

    Correspondence - May 26, 1894

  • Recommended

    New Books and Publications - May 26, 1894

  • Departments

    Recently Patented Inventions - May 26, 1894

  • Index of Inventions - May 26, 1894

  • Business and Personal - May 26, 1894

  • Notes and Queries - May 26, 1894

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