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Features

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

Progress of Astronomy in 1906

By E. Walter Maunder

Reinforced Concrete in Greenhouse Construction

By William McDonald

Electrical Notes

Science Notes

Engineering Notes

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    January 19, 1907

    Think Outside the Gift Box