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Features

The Economies of Concentration

The Lessons of the Recent Naval Maneuvers

British Mineral Industry

The New York Elevated's New Power

The Brooklyn Bridge Improvements

Recent Patent and Trade Mark Decisions

A Barometer and Storm Alarm

A Very Convenient Faucet

An Improved Wrench

A Pipe Plugger and Flusher

Opening of the New York Central Four Track Drawbridge and Viaduct in New York City

The Pennsylvania, the Largest Freight Steamer in the World

A Snow Melting Machine

Contraction of the Face in Jumping

Echoes of the Annual Bicycle Exhibition

To Inventors - February 27, 1897

Departments

  • Recommended

    New Books and Publications - February 27, 1897

  • Departments

    Business and Personal - February 27, 1897

  • Recently Patented Inventions - February 27, 1897

  • Notes and Queries - February 27, 1897

  • Index of Inventions - February 27, 1897

  • Patents - February 27, 1897

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February 27, 1897

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