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Features

Improved Workmanship

How is Business?

Aspects of the Planets for January - 1884

A New Safety Regulator for Elevators

Watch Regulator

Balancing Device for Vessels

A Crow Hut

Novel Method of Propelling Vessels

The Interoceanic Ship Railway

Mechanical Inventions - December 27, 1884

Miscellaneous Inventions - December 27, 1884

Engineering Inventions - December 27, 1884

Departments

  • Departments

    Business and Personal - December 27, 1884

  • Notes and Queries - December 27, 1884

  • Index of Inventions - December 27, 1884

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December 27, 1884

Complex Causes. Alternative Solutions.