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The Capture of a Live Okapi

Nerve Impulses and Their Propagation

The Vagaries of Wells

A New Blowpipe Welding Process

Volcanic Activity and Radium

Japanese Earthquake Theories

A Case of Alleged Reasoning in a Dog

How England Disposes of Old Ships

The Visible Heavens

By Frederick R. Honey

Statistics of Turbine-Propelled Vessels, May 1, 1906

The Tameness of Wild Animals

By Charles Frederick Holder

An Electro-Mechanical Coin Counting and Wrapping Machine

By A. Frederick Collins

Wellman's Airship for his North Polar Expedition

By the Paris Correspondent of the Scientific American

The Peterborough Lift-Lock of the Trent Valley Canal

From the Tobacco Leaf to the Cigar

An Improved Turbine

A Mechanical Prizefighter

Improved Rail Bond

Business and Personal Wants - July 7, 1906


  • Departments

    Correspondence - July 7, 1906

  • Index of Inventions - July 7, 1906

  • Recently Patented Inventions - July 7, 1906

  • Patents - July 7, 1906

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis