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Features

Organ Blowing Apparatus

Model Iron Works

Ireland's Vaults for the Safe Keeping of Valuables

Steam Versus Disease

By John O. Draper

Improvement in Earth Closets

Bock's Improved One Horse Sleigh Shaft

The Champion Spring Bed

Coogan's Machine for Boarding Pebbling, and Glossing Leather

Fireproof Building

Validity of Patents Issued under the New Law

The Leisure Time of Boys

The Dependence of Future Mechanical Progess upon the Discovery of New Materials

Death of Sir Roderick Impey Murchison

Something about Faces

Fair of the American Institute.--Additional Objects of Interest

Large Number of Patents Extended

Answers to Correspondents- November 4, 1871

Recent American and Foreign Patents- November 4, 1871

Queries- November 4, 1871

Official List of Patents- November 4, 1871

Applications for Extension of Patents- November 4, 1871

Departments

  • Letters

    Correspondence- November 4, 1871

  • Recommended

    New Books and Publications- November 4, 1871

  • Departments

    Business and Personal- November 4, 1871

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November 04, 1871

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