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Patent Steam Engine Governor, Road Making by Steam

On a “Piece of Chalk”.--A Lecture to Workingmen

The Best Modes of Testing the Power and Economy of Steam Engines

By Charles E. Emery

Testing the Power of Steam Engines

Hancock's Screw Propeller

The Natural and the Artificial

Recent American and Foreign Patents

Manufacturing, Mining, and Railroad Items

Editorial Summary

Speed of Railway Trains

New Publication

Answers to Correspondents

Self Education

Expansion of Ice

European Patents

Comparison and Relation the Only Criterion of Size


“Gold! Gold! Hard to Get and Heavy to Hold.”

New Mexico, Its Natural Wealth

Transportation of Cattle--Reid's Patent Cattle Wagons

On a Probable Connection Between the Resistance of Ships and Their Mean Depth of Immersion

By W. J. Macquorn Rankine

Patents and Claims

Issued by the United States Patent Office


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  • Business and Personal

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November 11, 1868

20% Sitewide for President's Day