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Features

Improved Rudder

Miscellaneous Summary

Charming by Serpents

Engraving for Calico Printing

Polytechnic Association of the American Institute

Staub's Improved Chuck Jaw

The November Meteors

Extension Notices

Patent Office Decision--Cartridges

Nitro-Glycerin as a Substitute for Gun-Powder

Heald's Float Valve

Corbin's Patent Bag Holder

Transportation of Fresh Meats to Market

Ventilation--Its Necessity and Neglect

Patent Claims

Departments

  • Departments

    New Inventions

  • Correspondence

  • Notes and Queries

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November 10, 1866

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