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Improved Traction Engine and Steam Plow

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

By Huxley

The Protuberances on the Sun

Editorial Summary

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

Overwork and Underwork

To Inventors

Some Suggestions on Workingmen's Combinations

Accurate Observation

Something Worth Consideration

The Manufacture of Straw Board


Manufacture of White Lead

Wealth and its Source--A Graceful Recognition

Official Report of Patents and Claims

Issued by the United States Patent Office


  • Departments


  • Business and Personal

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