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Features

The Manufacture of Paper

II– Preparation of Wood Pulp by the Soda Process

The Pacification of Cuba

Production of Coal in 1897

Preserving Plant Colors

Annual Reception of the New York Academy of Sciences

By Edmund Otis Hovey

A Simple and Effective Valve Gear

An Improved Faucet

An Efficient Stovepipe Fastener

A Tether for Animals

The Dashiell Breech Mechanism

The New Wave Motor

Notice of a New Ribbon Fish from the Coast of Oregon

By Hugh M. Smith

The Ears of Worms, Crustaceans and Ants

By James Weir

Mysterious Vase

By W. B. Caulk

To Inventors - April 30, 1898

Departments

  • Letters

    Correspondence - April 30, 1898

  • Recommended

    New Books, Etc - April 30, 1898

  • Departments

    The Heavens in May‐ April 30, 1898

  • Recently Patented Inventions - April 30, 1898

  • Business and Personal - April 30, 1898

  • Index of Inventions - April 30, 1898

  • Notes and Queries - April 30, 1898

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April 30, 1898

See the World from a Different Perspective

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