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Improvement in Safety Hoisting Apparatus

The Life of Iron Bridges

The Parkhead Forge

The Shoeburyness Experiments

The Pacific Mills Manufacturing Establishment at Lawrence, Mass

Progress of the Working Classes

Copernicus by Earth Light

Manufacturing, Mining, and Railroad Items

Recent American and Foreign Patents

New Publications

Obituary--Gen. Charles G. Halpine

Is Manual or Mechanical Labor Either Dishonorable or Unprofitable?

Mineral and Animal Aromas as Conducive to Health

The Physical Researches of the Age

Rotary and Reciprocating Engines

Editorial Summary

Taste and Smell Utilized

Patents and Claims


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  • Business and Personal

  • Patents

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