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Features

American Industries--No. 2

By Hamilton S. Wicks

The Adulteration of Soft Soap

Over-Density of Population in Cities

Sun Spots and Commercial Crises

Patents in New South Wales

Boiler Feeders for Locomotives, Etc

The Trademarks Quandary

Senate Bill 300.--Section 2

Progress of the Swedish Arctic Expedition

How to Utilize Old Fruit Cans

Straub's Scientific Grain Mill

Easily Made Physical Apparatus

By Geo. M. Hopkins

The Columbia Bicycle

The Luray Cavern

By H. C. Hovey

Duplex Steam Pumping Engines

The Clipper Injector

The Chætodon

Early English Style of Piano at the Paris Exhibition

A New Method of Setting Boiler Tubes

The Gruey Gyroscope and the Gyroscopic Pendulum

Spreading Diphtheria by Kisses

To Inventors

Departments

  • Departments

    Correspondence

  • Recent Inventions

  • Business and Personal

  • Notes and Queries

  • New Books and Publications

  • Index of Inventions

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January 18, 1879

Think Outside the Gift Box