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Features

The Tanite Company's New Milling Machine

Economy in Eating

A Panic at the Patent Office

Reports on Small Engines

Demoniacal Possessions

Improved Draftsman's Rule

A Siphon for Poisonous Liquids and Acids

Milk Cooling Can

The Fairmount Park Bear Pits

Lights for Greenhouses

Spiders' Webs and Spinnerets

Some New Galvanic Batteries

Improved Disintegrator

Improved Self-Locking Padlock

The Early History of Wheeled Vehicles and Railways

The English Channel Steamers

Decisions of the Courts - October 31, 1874

Supreme Court of the United States

Recent American and foreign Patents - October 31, 1874

Answers to Correspondents - October 31, 1874

Canadian Patents - October 31, 1874

Communications Received - October 31, 1874

Departments

  • Letters

    Correspondence - October 31, 1874

  • Recommended

    New Books and Publications - October 31, 1874

  • Departments

    Business and Personal - October 31, 1874

  • Index of Inventions - October 31, 1874

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