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Chicago Drainage Canal and the City of St. Louis

The Oldest Map of Rome

The Merchants' Association and the Jerome Park Reservoir

A Mud-Puddle Commune; or, the Beginnings of Mind

Highest Wind Record

Failure of the Monolith Lathe

Orange Culture in California

French Express Engine for an English Railroad

The First Cross-Channel Turbine Steamer

By H. C. Fyfe

A Portable Oscillograph for Alternating Currents

Gigantic Ore-Handling Machinery

By W. Frank M'Clure

The Atlantic Ocean and the America Cup

Some Experiments with Actinic Light

By J w Kime

Business and Personal Wants


  • Departments

    Science Notes - June 20, 1903

  • Correspondence - June 20, 1903

  • Recently Patented Inventions - June 20, 1903

  • Index of Inventions - June 20, 1903

  • Patents - June 20, 1903

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June 20, 1903

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