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Features

Improvement in Brick Making Machines, The Poison of the Cobra-Di-Capella, and more

Editorial Correspondence

The Fifteen-Inch Ball vs. the English Press

Holland's Permanent Way

Willett's Plate Lifter

Silvins & Hain's Improvement in Lamps for Lanterns

Editorial Summary

Recent American and Foreign Patents

Manufacturing, Mining, and Railroad Items

Answers to Correspondents

Association of Engineers and Architects

Overell's Device for Piercing Cigars

Neynaber's Automatic Boiler Feeder

Nitro-Glycerin--Important Decision

What is Labor?

Recent Promotions at the Patent Office

Petroleum for Fuel--Its Economy Considered

Meeting of the Academy of Sciences

Publication of Claims of Patents Sought to be Reissued

Patents and Claims

Pending Applications for Reissues

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September 07, 1867