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Extension of the Rapid Transit Tunnel to Brooklyn

The World's Naval Progress for 1900

Railroad Speeds in 1899

Culm Banks and Fuel Gas

By Alton D. Adams

The Nobel Prizes for Scientific Discoveries

High Power Engines and Three-Phase Generators at Paris

By Frank C. Perkins

The French Meteorological Observatory at Trappes

The Practical Application of the Hydrostatic Level in Building Construction

By Owen B. Maginnis

A Cable-Grip for Mining-Cars

A Convenient Envelop Moistener and Sealer

Electrical Palace and Fountain at the Paris Exposition

Launch of the Monitor "Wyoming"

Electrical Dredge for the Volga River, Russia

An Ingeniously Whittled Fan

Acceleration of the Spark Discharge in Static Machines

By Howard B. Dailey

"Broadway Chambers"—Exhibits at the Paris Exposition


  • Departments

    Recently Patented Inventions - October 13, 1900

  • Business and Personal - October 13, 1900

  • Index of Inventions - October 13, 1900

  • New Books, Etc. - October 13, 1900

  • Notes and Queries - October 13, 1900

  • Patents - October 13, 1900

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