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Washington's Great Union Station

By Frank N. Bauskett

The Manufacture of Brass Wire

By E. J. Bolton

Exports of Manufactures from the United States in 1906

Radium and Geological Changes: Berthelot's Experiments

Producer Gas Power Test

Data Obtained at the Plant of the Gould Coupler Company, Depew, N. Y.

By J. R. Bibbins

Gas-Engine Types

By Jonas F. King

The Physical Meaning of Power-Factor

Novelties of the Paris Automobile Show

BY our Paris Correspondent. The Auto-Quadri

The Work of the Engineer

What an Extra Knot and a Half Means

The Development of Battleship Protection

Reinforced Concrete in Greenhouse Construction

By William McDonald

Progress of Astronomy in 1906

By E. Walter Maunder

Science Notes

Electrical Notes

Engineering Notes


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