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An Excellent Precedent

The Cause of Accidents to Submarine Boats

Blood Corpuscles on Mont Blanc

The Electric Power Developments at Niagara Falls

A Prize for a Non-Poisonous Diamond Cutter's Composition

Photographing the Solar Corona

By J. W. Davidson

A Safety Buffer for Automobiles

The Astrolabe of Regiomontanus

By Charles A. Brassler

The Electrolytic Production of Hydrogen and Oxygen for Welding Purposes

By Alfred Gradenwitz

The New Jersey Tunnels and Subways

A Novel Oil Can

The "Bennington" Disaster

Electric Power Developments at Niagara Falls--I

Award of the Glidden Trophy for Touring Cars

Business and Personal Wants


  • Departments

    Correspondence - August 12, 1905

  • Index of Inventions - August 12, 1905

  • Patents - August 12, 1905

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