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The Kansas Whirlwinds

A New Theory of the Earth's Magnetic Poles

Magnetizing Molten Iron

A Patent Right Discussion in England

“Scientific Credulity”

The Diseases of Building Timber

Objections to Self-Propelling Fire Engines

The Prospects of Tea Culture

Recent American Patents

New Electric Lamp

Luedtge's Universal Telephone

Hydriodic Acid

Pneumatic Clock

Recent Mechanical Inventions

A Novel Rotary Pump

The Thick-Thighed Walking Stick

By C. V. Riley

The Elephant Shrew

An Inventor Victorious

New Device for Separating Cream from Milk

Improved Anchor

Engineering Inventions - July 5, 1879

An Old Concern Re-Established

Communications Received - July 5, 1879


  • Departments

    Correspondence - July 5, 1879

  • Business and Personal - July 5, 1879

  • Notes and Queries - July 5, 1879

  • New Books and Publications - July 5, 1879

  • Index of Inventions - July 5, 1879

  • Patents - July 5, 1879

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis