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Turning Metals to Patterns

Leveling and Lining Shafts

Tree Protector

Car Coupling

Rein Support

Car Gate

Paper File or Holder

The Electric Railway at Frankfort, Germany

Wagon Seat

The Fish River Caves, Near Sydney, Australia

By J. E. Richter

The Keely Motor Deception

The Ant Lion

By H. C. Hovey

Gas Pressure Moderator

Engineering Inventions - October 11, 1884

Miscellaneous Inventions - October 11, 1884

Agricultural Inventions - October 11, 1884

The Edison Exhibit at the Philadelphia Electrical Exhibition

Shop Savings

Poisoning from Galvanized Iron

A Project for the Reorganization of the Army

Shafts and Belts

Life Raft

Improved Press

Setting Diamonds in Tools

The Industrial Production of Oxygen and Nitrogen

The United States Electric Light Co.'s Exhibit at the Philadelphia Electrical Exhibition

Young Chimpanzees

Botanizing Upon a Coin

Combined Paper Weight and Pencil Sharpener

Improved Vise

Decisions Relating to Patents - October 11, 1884

Mechanical Inventions - October 11, 1884


  • Letters

    Correspondence - October 11, 1884

  • Recommended

    New Books and Publications - October 11, 1884

  • Departments

    Business and Personal - October 11, 1884

  • Notes and Queries - October 11, 1884

  • Index of Inventions - October 11, 1884

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