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Features

The Preparation of Peat for Fuel

The Herculean Lifting Jack

Life in the Beehive

Notes from the Vienna Exposition

Astronomical Notes - July 5, 1873

Improved Farm Gate

Improved Hub Lathe

A Patent Congress

Screw Threads--English and American Proportions

An Imposition Upon the Public

Fire Ladders

Progress of Woman's Rights

Scientific and Practical Information - July 5, 1873

Recent American and Foreign Patents - July 5, 1873

Answers to Correspondents - July 5, 1873

Communications Received - July 5, 1873

Departments

  • Departments

    Correspondence - July 5, 1873

  • New Books and Publications - July 5, 1873

  • Business and Personal - July 5, 1873

  • Notes and Queries - July 5, 1873

  • Index of Inventions - July 5, 1873

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