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Features

Improved Traction Engine and Steam Plow

“On a Piece of Chalk”--A Lecture to Working-Men

By Huxley

Editorial Summary

The Protuberances on the Sun

Sulphur--Its Uses in the Arts

Manufacturing, Mining, and Railroad Items

Recent American and Foreign Patents

Under this heading we shall publish weekly notes of some of the more prominet home and foreign patents

Answer to Correspondents

Accurate Observation

To Inventors

Something Worth Consideration

Some Suggestions on Workingmen's Combinations

Overwork and Underwork

Manufacture of White Lead

Wealth and its Source--A Graceful Recognition

Ventriloquism

The Manufacture of Straw Board

Official Report of Patents and Claims

Issued by the United States Patent Office

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November 04, 1868

See the World from a Different Perspective

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