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Features

Panama Canal and the Tehuantepec Railroad

The Discovery of the Ancient Hebrew Temple of Onias in Egypt

Superheated Steam in Railway Service

Rebuilding the Russian Navy

Electricity for Canals

Lord Kelvin's Conception of an Atom

Exports of Agricultural Products

A New Machine for Engraving Steel Plates

By A. Frederick Collins

Gasoline Locomotives

By Our Berlin Correspondent

The Winning Cars in the Automobile Club of America's Two-Gallon Fuel Efficiency Contest

A Thermo-Electric Pyrometer of Low Resistance and Compensator

The Art of Piano Making--I

Earthquake Observations

By Edgar L. Larkin

Effects of the Earthquake and Fire upon the City of San Francisco and Its Buildings

By Arthur Inkersley

An Improved Adjustable Clutch

Water-Feed Regulator with Automatic Alarm

An Improved Hand-Operated Meat Press

Business and Personal Wants

Departments

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    Recently Patented Inventions - May 19, 1906

  • Index of Inventions - May 19, 1906

  • Notes and Queries - May 19, 1906

  • Patents - May 19, 1906

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May 19, 1906

Think Outside the Gift Box